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								<H1><A name="GettingStartedwithTuscany%28usingTuscanyEclipsePlugin%29-Ready%2CSet%2CGoGettingstartedwithTuscany"></A>Ready, Set, Go - Getting started with Tuscany</H1>

<P><A href="http://cwiki.apache.org/confluence/display/TUSCANYWIKI/Getting%20Started%20with%20Apache%20Tuscany" class="external-link" rel="nofollow"><IMG class="emoticon" src="https://cwiki.apache.org/confluence/images/icons/emoticons/star_yellow.gif" height="16" width="16" align="absmiddle" alt="" border="0"> &quot;Get Started with Store Demo in Eclipse video&quot;</A><BR>
This guide shows you how to get started with Tuscany in Eclipse by installing the Eclipse plugins and creating a web store shopping cart with SCA technology.</P>

<H2><A name="GettingStartedwithTuscany%28usingTuscanyEclipsePlugin%29-InstalltheLatestTuscanyEclipsePlugin"></A>Install the Latest Tuscany Eclipse Plugin</H2>

<P><A href="http://cwiki.apache.org/confluence/display/TUSCANYWIKI/Installing%20the%20Apache%20Tuscany%20Eclipse%20Plugins" class="external-link" rel="nofollow"><IMG class="emoticon" src="https://cwiki.apache.org/confluence/images/icons/emoticons/star_yellow.gif" height="16" width="16" align="absmiddle" alt="" border="0"> &quot;Installing the Apache Tuscany Eclipse Plugins video&quot;</A></P>

<P>A quick Step by Step walk through of downloading, installing, and verifying the Tuscany Eclipse Plugins.</P>

<P>This section shows you how to install the lastest Tuscany Eclipse plugin. The plugin gives you the ability to run an SCA composite file from the Package Explorer. You will see a &quot;Run As Tuscany&quot; menu item when you bring up the context menu on composite files.</P>

<P>Start Eclipse and go to Help -&gt; Software Updates -&gt; Find and Install. Select &quot;Search for new features to install&quot; and then click next</P>

<P>Create a new Remote Site. On the next dialog, click on &quot;New Remote Site...&quot; to create a new site entry. Give it a name such as<BR>
&quot;Tuscany&quot; and add the site URL from the latest <B><A href="sca-java-1x-releases.html" title="SCA Java 1.x Releases">Tuscany release</A></B> (e.g  <B><A href="http://www.apache.org/dist/tuscany/java/sca/1.5.1/tuscany-sca-1.5.1-updatesite/" class="external-link" rel="nofollow">http://www.apache.org/dist/tuscany/java/sca/1.5.1/tuscany-sca-1.5.1-updatesite/</A></B>.</P>

<P>Select the &quot;Remote Site&quot; you just created, and click &quot;Finish&quot;</P>

<P>Select the &quot;Apache Tuscany SCA Tools&quot; and click &quot;Next&quot;, and then, on the next dialog, click &quot;Finish&quot;. Accept the &quot;Plugin License&quot; and next click on &quot;Install All&quot;.</P>

<P>When asked to &quot;restart eclipse&quot;, click the &quot;yes&quot; button. </P>

<H2><A name="GettingStartedwithTuscany%28usingTuscanyEclipsePlugin%29-Createyour1stCompositeServiceApplication"></A>Create your 1st Composite Service Application</H2>

<P>The following shows the composition diagram for the composite service application you are about<BR>
to create.</P>

<P><SPAN class="image-wrap" style=""><IMG src="getting-started-with-tuscany-using-tuscany-eclipse-plugin.data/first_composite.png" style="border: 0px solid black"></SPAN></P>

<P>The composite service application you will create is a composition of four services. The composed<BR>
service provided is that of an on-line store.<BR>
There is a Catalog service which you can ask for catalog items, and depending on its currency<BR>
code property configuration it will provide the item prices in USD or EUR. The Catalog service is not<BR>
doing the currency conversion itself it references a CurrencyConverter service to do that task. Then<BR>
there is the ShoppingCart service into which items chosen from the catalog can be added, it is<BR>
implemented as a REST service. The Catalog is bound using the JSONRPC binding, and the<BR>
ShoppingCart service is bound using the ATOM binding. Finally there is the Store user facing<BR>
service that provides the browser based user interface of the store. The Store service makes use of<BR>
the Catalog and ShoppingCart service using the JSONRPC, and ATOM binding respectively.</P>

<H2><A name="GettingStartedwithTuscany%28usingTuscanyEclipsePlugin%29-CreateaJavaProject"></A>Create a Java Project</H2>

<P>In this step you create a Java Project in Eclipse to hold the composite service application.<BR>
Click on the <B><EM>New Java Project</EM></B> button <SPAN class="image-wrap" style=""><IMG src="getting-started-with-tuscany-using-tuscany-eclipse-plugin.data/new_java_project.png" style="border: 0px solid black"></SPAN>&nbsp; in the toolbar to launch the project creation dialog.<BR>
Next you enter &quot;store&quot; as the <B><EM>Project name</EM></B>, and for <B><EM>Project Layout</EM></B> select <B><EM>Create separate</EM></B><BR>
<B><EM>folders for sources and class files.</EM></B><BR>
<SPAN class="image-wrap" style=""><IMG src="getting-started-with-tuscany-using-tuscany-eclipse-plugin.data/new_java_project_dlg.png" style="border: 0px solid black"></SPAN><BR>
&nbsp;<BR>
<SPAN class="image-wrap" style=""><IMG src="getting-started-with-tuscany-using-tuscany-eclipse-plugin.data/project_layout.png" style="border: 0px solid black"></SPAN><BR>
&nbsp;<BR>
Hit the <B><EM>Next</EM></B> button, and on the following page go to the <B><EM>Libraries</EM></B> tab. Use the <B><EM>Add Library...</EM></B><BR>
button on the right to add the <B>Tuscany Library</B> library to the project.<BR>
&nbsp;<BR>
<SPAN class="image-wrap" style=""><IMG src="getting-started-with-tuscany-using-tuscany-eclipse-plugin.data/new_java_project_lib.png" style="border: 0px solid black"></SPAN><BR>
&nbsp;<BR>
&nbsp;<BR>
Hit the <B><EM>Finish</EM></B> button to complete the <B><EM>New Java Project</EM></B> dialog to create the &quot;store&quot; java project.&nbsp;<BR>
&nbsp;<BR>
<SPAN class="image-wrap" style=""><IMG src="getting-started-with-tuscany-using-tuscany-eclipse-plugin.data/new_java_project_folder.png" style="border: 0px solid black"></SPAN><BR>
&nbsp;<BR>
&nbsp;</P>

<H2><A name="GettingStartedwithTuscany%28usingTuscanyEclipsePlugin%29-ConstructServices"></A>Construct Services</H2>

<P>First you create two package folders into which later in this step you place service implementations.<BR>
Select the &quot;store&quot; project and click on the <B><EM>New Java Package</EM></B> button <SPAN class="image-wrap" style=""><IMG src="getting-started-with-tuscany-using-tuscany-eclipse-plugin.data/new_java_pkg_btn.png" style="border: 0px solid black"></SPAN> in the toolbar to launch<BR>
the package creation dialog.</P>

<P>Next you enter &quot;services&quot; as the package <B><EM>Name</EM></B>, and press the <B><EM>Finish</EM></B> button to complete the<BR>
dialog.<BR>
<SPAN class="image-wrap" style=""><IMG src="getting-started-with-tuscany-using-tuscany-eclipse-plugin.data/new_java_pkg_dlg.png" style="border: 0px solid black"></SPAN><BR>
&nbsp;<BR>
Repeat the previous step to create another package named &quot;ufservices&quot;. The store project now<BR>
should look as follows.<BR>
&nbsp;<BR>
<SPAN class="image-wrap" style=""><IMG src="getting-started-with-tuscany-using-tuscany-eclipse-plugin.data/new_java_pkg_folder.png" style="border: 0px solid black"></SPAN><BR>
&nbsp;<BR>
In the following you will place in the &quot;services&quot; package the regular services, and in the &quot;ufservices&quot;<BR>
package the user facing services of the composite service application you create.</P>

<H3><A name="GettingStartedwithTuscany%28usingTuscanyEclipsePlugin%29-Catalog"></A><EM>Catalog</EM></H3>

<P>In this step you create the Catalog service interface and implementation.<BR>
Select the &quot;services&quot; package. Next you click on the dropdown arrow next to the <B><EM>New Java Class</EM></B><BR>
button&nbsp; <SPAN class="image-wrap" style=""><IMG src="getting-started-with-tuscany-using-tuscany-eclipse-plugin.data/class_btn.png" style="border: 0px solid black"></SPAN>&nbsp; and select the <B><EM>New Java Interface</EM></B>&nbsp;&nbsp;&nbsp;<SPAN class="image-wrap" style=""><IMG src="getting-started-with-tuscany-using-tuscany-eclipse-plugin.data/interface_btn.png" style="border: 0px solid black"></SPAN> option from the dropdown list. In the dialog<BR>
enter &quot;Catalog&quot; as the <B><EM>Name</EM></B> of the interface and select the Finish button to complete the dialog.<BR>
The Java editor will open on the new created Java interface. Replace the content of the editor by<BR>
<B><EM>copy-paste</EM></B> of the following Java interface code snippet.</P>
<DIV class="code panel" style="border-width: 1px;"><DIV class="codeContent panelContent">
<PRE class="code-java">
<SPAN class="code-keyword">package</SPAN> services;

<SPAN class="code-keyword">import</SPAN> org.osoa.sca.annotations.Remotable;

@Remotable
<SPAN class="code-keyword">public</SPAN> <SPAN class="code-keyword">interface</SPAN> Catalog {
	Item[] get();
}
</PRE>
</DIV></DIV>
<P>Select the &quot;services&quot; package again. Select the <B><EM>New Java Class</EM></B> button <SPAN class="image-wrap" style=""><IMG src="getting-started-with-tuscany-using-tuscany-eclipse-plugin.data/class_btn.png" style="border: 0px solid black"></SPAN> . In the dialog enter<BR>
&quot;CatalogImpl&quot; as the <B><EM>Name</EM></B> of the class, add &quot;Catalog&quot; as the interface this class implements, and<BR>
then select <B><EM>Finish</EM></B> to complete the dialog.</P>

<P>The Java editor will open on the new created Java class. Replace the content of the editor by<BR>
<B><EM>copy-paste</EM></B> of the following Java class code snippet.</P>
<DIV class="code panel" style="border-width: 1px;"><DIV class="codeContent panelContent">
<PRE class="code-java">
<SPAN class="code-keyword">package</SPAN> services;

<SPAN class="code-keyword">import</SPAN> java.util.ArrayList;
<SPAN class="code-keyword">import</SPAN> java.util.List;

<SPAN class="code-keyword">import</SPAN> org.osoa.sca.annotations.Init;
<SPAN class="code-keyword">import</SPAN> org.osoa.sca.annotations.Property;
<SPAN class="code-keyword">import</SPAN> org.osoa.sca.annotations.Reference;

<SPAN class="code-keyword">public</SPAN> class CatalogImpl <SPAN class="code-keyword">implements</SPAN> Catalog {
	@Property
	<SPAN class="code-keyword">public</SPAN> <SPAN class="code-object">String</SPAN> currencyCode = <SPAN class="code-quote">&quot;USD&quot;</SPAN>;
	@Reference
	<SPAN class="code-keyword">public</SPAN> CurrencyConverter currencyConverter;

	<SPAN class="code-keyword">private</SPAN> List&lt;Item&gt; catalog = <SPAN class="code-keyword">new</SPAN> ArrayList&lt;Item&gt;();

	@Init
	<SPAN class="code-keyword">public</SPAN> void init() {
		<SPAN class="code-object">String</SPAN> currencySymbol = currencyConverter
				.getCurrencySymbol(currencyCode);
		catalog.add(<SPAN class="code-keyword">new</SPAN> Item(<SPAN class="code-quote">&quot;Apple&quot;</SPAN>, currencySymbol
				+ currencyConverter.getConversion(<SPAN class="code-quote">&quot;USD&quot;</SPAN>, currencyCode, 2.99)));
		catalog.add(<SPAN class="code-keyword">new</SPAN> Item(<SPAN class="code-quote">&quot;Orange&quot;</SPAN>, currencySymbol
				+ currencyConverter.getConversion(<SPAN class="code-quote">&quot;USD&quot;</SPAN>, currencyCode, 3.55)));
		catalog.add(<SPAN class="code-keyword">new</SPAN> Item(<SPAN class="code-quote">&quot;Pear&quot;</SPAN>, currencySymbol
				+ currencyConverter.getConversion(<SPAN class="code-quote">&quot;USD&quot;</SPAN>, currencyCode, 1.55)));
	}

	<SPAN class="code-keyword">public</SPAN> Item[] get() {
		Item[] catalogArray = <SPAN class="code-keyword">new</SPAN> Item[catalog.size()];
		catalog.toArray(catalogArray);
		<SPAN class="code-keyword">return</SPAN> catalogArray;
	}
}
</PRE>
</DIV></DIV>
<P>After completing these steps the content of the &quot;store&quot; project will look as follows.<BR>
<SPAN class="image-wrap" style=""><IMG src="getting-started-with-tuscany-using-tuscany-eclipse-plugin.data/store_project.png" style="border: 0px solid black"></SPAN><BR>
&nbsp;<BR>
<B>Note:</B> CatalogImpl is red x'ed because it makes use of the CurrencyConverter interface that we<BR>
have not implemented yet.<BR>
&nbsp;</P>

<H3><A name="GettingStartedwithTuscany%28usingTuscanyEclipsePlugin%29-CurrencyConverter"></A><EM>CurrencyConverter</EM></H3>

<P>In this step you create the CurrencyConverter service interface and implementation.<BR>
You follow the same steps that you learned previously to create the interface and implementation.<BR>
First create a Java interface in the &quot;services&quot; package named &quot;CurrencyConverter&quot; and <B><EM>copy-paste</EM></B><BR>
the following Java interface code snippet into it.<BR>
&nbsp;&nbsp;</P>
<DIV class="code panel" style="border-width: 1px;"><DIV class="codeContent panelContent">
<PRE class="code-java">
<SPAN class="code-keyword">package</SPAN> services;

<SPAN class="code-keyword">import</SPAN> org.osoa.sca.annotations.Remotable;

@Remotable
<SPAN class="code-keyword">public</SPAN> <SPAN class="code-keyword">interface</SPAN> CurrencyConverter {
    <SPAN class="code-keyword">public</SPAN> <SPAN class="code-object">double</SPAN> getConversion(<SPAN class="code-object">String</SPAN> fromCurrenycCode, <SPAN class="code-object">String</SPAN> toCurrencyCode, <SPAN class="code-object">double</SPAN> amount);

    <SPAN class="code-keyword">public</SPAN> <SPAN class="code-object">String</SPAN> getCurrencySymbol(<SPAN class="code-object">String</SPAN> currencyCode);
}
</PRE>
</DIV></DIV>
<P>Next create a Java class in the &quot;services&quot; package named &quot;CurrencyConverterImpl&quot; and <B><EM>copy-paste</EM></B><BR>
the following Java class code snippet into it.</P>
<DIV class="code panel" style="border-width: 1px;"><DIV class="codeContent panelContent">
<PRE class="code-java">
<SPAN class="code-keyword">package</SPAN> services;

<SPAN class="code-keyword">public</SPAN> class CurrencyConverterImpl <SPAN class="code-keyword">implements</SPAN> CurrencyConverter {
    <SPAN class="code-keyword">public</SPAN> <SPAN class="code-object">double</SPAN> getConversion(<SPAN class="code-object">String</SPAN> fromCurrencyCode,<SPAN class="code-object">String</SPAN> toCurrencyCode,<SPAN class="code-object">double</SPAN> amount) {
        <SPAN class="code-keyword">if</SPAN> (toCurrencyCode.equals(<SPAN class="code-quote">&quot;USD&quot;</SPAN>))
            <SPAN class="code-keyword">return</SPAN> amount;
        <SPAN class="code-keyword">else</SPAN> <SPAN class="code-keyword">if</SPAN> (toCurrencyCode.equals(<SPAN class="code-quote">&quot;EUR&quot;</SPAN>))
            <SPAN class="code-keyword">return</SPAN> ((<SPAN class="code-object">double</SPAN>)<SPAN class="code-object">Math</SPAN>.round(amount * 0.7256 * 100)) /100;
        <SPAN class="code-keyword">return</SPAN> 0;
    }

    <SPAN class="code-keyword">public</SPAN> <SPAN class="code-object">String</SPAN> getCurrencySymbol(<SPAN class="code-object">String</SPAN> currencyCode) {
        <SPAN class="code-keyword">if</SPAN> (currencyCode.equals(<SPAN class="code-quote">&quot;USD&quot;</SPAN>))
            <SPAN class="code-keyword">return</SPAN> <SPAN class="code-quote">&quot;$&quot;</SPAN>;
        <SPAN class="code-keyword">else</SPAN> <SPAN class="code-keyword">if</SPAN> (currencyCode.equals(<SPAN class="code-quote">&quot;EUR&quot;</SPAN>))
            <SPAN class="code-keyword">return</SPAN> <SPAN class="code-quote">&quot;E&quot;</SPAN>; <SPAN class="code-comment">//<SPAN class="code-quote">&quot;&acirc;&sbquo;&not;&quot;</SPAN>;
</SPAN>        <SPAN class="code-keyword">return</SPAN> <SPAN class="code-quote">&quot;?&quot;</SPAN>;
    }
}

</PRE>
</DIV></DIV>
<P>After completing these steps the content of the &quot;store&quot; project will look as follows.</P>

<P><SPAN class="image-wrap" style=""><IMG src="getting-started-with-tuscany-using-tuscany-eclipse-plugin.data/store_project_1.png" style="border: 0px solid black"></SPAN></P>

<H3><A name="GettingStartedwithTuscany%28usingTuscanyEclipsePlugin%29-ShoppingCart"></A><EM>ShoppingCart</EM></H3>

<P>In this step you create the Item model object, the Cart and Total service interfaces and the ShoppingCart service implementation.<BR>
You follow the same steps that you learned previously to create the interface and implementation.</P>

<P>Create a Java class in the &quot;services&quot; package named &quot;Item&quot; and <B><EM>copy-paste</EM></B> the<BR>
following code snippet into it.</P>

<DIV class="code panel" style="border-width: 1px;"><DIV class="codeContent panelContent">
<PRE class="code-java">
<SPAN class="code-keyword">package</SPAN> services;

<SPAN class="code-keyword">public</SPAN> class Item {
	<SPAN class="code-keyword">private</SPAN> <SPAN class="code-object">String</SPAN> name;
	<SPAN class="code-keyword">private</SPAN> <SPAN class="code-object">String</SPAN> price;

	<SPAN class="code-keyword">public</SPAN> Item() {
	}

	<SPAN class="code-keyword">public</SPAN> Item(<SPAN class="code-object">String</SPAN> name, <SPAN class="code-object">String</SPAN> price) {
		<SPAN class="code-keyword">this</SPAN>.name = name;
		<SPAN class="code-keyword">this</SPAN>.price = price;
	}

	<SPAN class="code-keyword">public</SPAN> <SPAN class="code-object">String</SPAN> getName() {
		<SPAN class="code-keyword">return</SPAN> name;
	}

	<SPAN class="code-keyword">public</SPAN> void setName(<SPAN class="code-object">String</SPAN> name) {
		<SPAN class="code-keyword">this</SPAN>.name = name;
	}

	<SPAN class="code-keyword">public</SPAN> <SPAN class="code-object">String</SPAN> getPrice() {
		<SPAN class="code-keyword">return</SPAN> price;
	}

	<SPAN class="code-keyword">public</SPAN> void setPrice(<SPAN class="code-object">String</SPAN> price) {
		<SPAN class="code-keyword">this</SPAN>.price = price;
	}
}
</PRE>
</DIV></DIV>

<P>Create a Java interface in the &quot;services&quot; package named &quot;Cart&quot; and <B><EM>copy-paste</EM></B> the<BR>
following code snippet into it.</P>
<DIV class="code panel" style="border-width: 1px;"><DIV class="codeContent panelContent">
<PRE class="code-java">
<SPAN class="code-keyword">package</SPAN> services;

<SPAN class="code-keyword">import</SPAN> org.apache.tuscany.sca.data.collection.Collection;
<SPAN class="code-keyword">import</SPAN> org.osoa.sca.annotations.Remotable;

@Remotable
<SPAN class="code-keyword">public</SPAN> <SPAN class="code-keyword">interface</SPAN> Cart <SPAN class="code-keyword">extends</SPAN> Collection&lt;<SPAN class="code-object">String</SPAN>, Item&gt; {

}
</PRE>
</DIV></DIV>

<P>Create a Java interface in the &quot;services&quot; package named &quot;Total&quot; and <B><EM>copy-paste</EM></B> the<BR>
following code snippet into it.</P>

<DIV class="code panel" style="border-width: 1px;"><DIV class="codeContent panelContent">
<PRE class="code-java">
<SPAN class="code-keyword">package</SPAN> services;

<SPAN class="code-keyword">import</SPAN> org.osoa.sca.annotations.Remotable;

@Remotable
<SPAN class="code-keyword">public</SPAN> <SPAN class="code-keyword">interface</SPAN> Total {
	<SPAN class="code-object">String</SPAN> getTotal();
}
</PRE>
</DIV></DIV>

<P>Create a Java class in the &quot;services&quot; package named &quot;ShoppingCartImpl&quot; and <B><EM>copy-paste</EM></B> the<BR>
following Java class code snippet into it.</P>
<DIV class="code panel" style="border-width: 1px;"><DIV class="codeContent panelContent">
<PRE class="code-java">
<SPAN class="code-keyword">package</SPAN> services;

<SPAN class="code-keyword">import</SPAN> java.util.ArrayList;
<SPAN class="code-keyword">import</SPAN> java.util.HashMap;
<SPAN class="code-keyword">import</SPAN> java.util.List;
<SPAN class="code-keyword">import</SPAN> java.util.Map;
<SPAN class="code-keyword">import</SPAN> java.util.UUID;

<SPAN class="code-keyword">import</SPAN> org.apache.tuscany.sca.data.collection.Entry;
<SPAN class="code-keyword">import</SPAN> org.apache.tuscany.sca.data.collection.NotFoundException;
<SPAN class="code-keyword">import</SPAN> org.osoa.sca.annotations.Init;
<SPAN class="code-keyword">import</SPAN> org.osoa.sca.annotations.Scope;

@Scope(<SPAN class="code-quote">&quot;COMPOSITE&quot;</SPAN>)
<SPAN class="code-keyword">public</SPAN> class ShoppingCartImpl <SPAN class="code-keyword">implements</SPAN> Cart, Total {

	<SPAN class="code-keyword">private</SPAN> Map&lt;<SPAN class="code-object">String</SPAN>, Item&gt; cart;

	@Init
	<SPAN class="code-keyword">public</SPAN> void init() {
		cart = <SPAN class="code-keyword">new</SPAN> HashMap&lt;<SPAN class="code-object">String</SPAN>, Item&gt;();
	}

	<SPAN class="code-keyword">public</SPAN> Entry&lt;<SPAN class="code-object">String</SPAN>, Item&gt;[] getAll() {
		Entry&lt;<SPAN class="code-object">String</SPAN>, Item&gt;[] entries = <SPAN class="code-keyword">new</SPAN> Entry[cart.size()];
		<SPAN class="code-object">int</SPAN> i = 0;
		<SPAN class="code-keyword">for</SPAN> (Map.Entry&lt;<SPAN class="code-object">String</SPAN>, Item&gt; e : cart.entrySet()) {
			entries[i++] = <SPAN class="code-keyword">new</SPAN> Entry&lt;<SPAN class="code-object">String</SPAN>, Item&gt;(e.getKey(), e.getValue());
		}
		<SPAN class="code-keyword">return</SPAN> entries;
	}

	<SPAN class="code-keyword">public</SPAN> Item get(<SPAN class="code-object">String</SPAN> key) <SPAN class="code-keyword">throws</SPAN> NotFoundException {
		Item item = cart.get(key);
		<SPAN class="code-keyword">if</SPAN> (item == <SPAN class="code-keyword">null</SPAN>) {
			<SPAN class="code-keyword">throw</SPAN> <SPAN class="code-keyword">new</SPAN> NotFoundException(key);
		} <SPAN class="code-keyword">else</SPAN> {
			<SPAN class="code-keyword">return</SPAN> item;
		}
	}

	<SPAN class="code-keyword">public</SPAN> <SPAN class="code-object">String</SPAN> post(<SPAN class="code-object">String</SPAN> key, Item item) {
		<SPAN class="code-keyword">if</SPAN> (key == <SPAN class="code-keyword">null</SPAN>) {
			key = <SPAN class="code-quote">&quot;cart-&quot;</SPAN> + UUID.randomUUID().toString();
		}
		cart.put(key, item);
		<SPAN class="code-keyword">return</SPAN> key;
	}

	<SPAN class="code-keyword">public</SPAN> void put(<SPAN class="code-object">String</SPAN> key, Item item) <SPAN class="code-keyword">throws</SPAN> NotFoundException {
		<SPAN class="code-keyword">if</SPAN> (!cart.containsKey(key)) {
			<SPAN class="code-keyword">throw</SPAN> <SPAN class="code-keyword">new</SPAN> NotFoundException(key);
		}
		cart.put(key, item);
	}

	<SPAN class="code-keyword">public</SPAN> void delete(<SPAN class="code-object">String</SPAN> key) <SPAN class="code-keyword">throws</SPAN> NotFoundException {
		<SPAN class="code-keyword">if</SPAN> (key == <SPAN class="code-keyword">null</SPAN> || key.equals(&quot;&quot;)) {
			cart.clear();
		} <SPAN class="code-keyword">else</SPAN> {
			Item item = cart.remove(key);
			<SPAN class="code-keyword">if</SPAN> (item == <SPAN class="code-keyword">null</SPAN>)
				<SPAN class="code-keyword">throw</SPAN> <SPAN class="code-keyword">new</SPAN> NotFoundException(key);
		}
	}

	<SPAN class="code-keyword">public</SPAN> Entry&lt;<SPAN class="code-object">String</SPAN>, Item&gt;[] query(<SPAN class="code-object">String</SPAN> queryString) {
		List&lt;Entry&lt;<SPAN class="code-object">String</SPAN>, Item&gt;&gt; entries = <SPAN class="code-keyword">new</SPAN> ArrayList&lt;Entry&lt;<SPAN class="code-object">String</SPAN>, Item&gt;&gt;();
		<SPAN class="code-keyword">if</SPAN> (queryString.startsWith(<SPAN class="code-quote">&quot;name=&quot;</SPAN>)) {
			<SPAN class="code-object">String</SPAN> name = queryString.substring(5);
			<SPAN class="code-keyword">for</SPAN> (Map.Entry&lt;<SPAN class="code-object">String</SPAN>, Item&gt; e : cart.entrySet()) {
				Item item = e.getValue();
				<SPAN class="code-keyword">if</SPAN> (item.getName().equals(name)) {
					entries.add(<SPAN class="code-keyword">new</SPAN> Entry&lt;<SPAN class="code-object">String</SPAN>, Item&gt;(e.getKey(), e
							.getValue()));
				}
			}
		}
		<SPAN class="code-keyword">return</SPAN> entries.toArray(<SPAN class="code-keyword">new</SPAN> Entry[entries.size()]);
	}

	<SPAN class="code-keyword">public</SPAN> <SPAN class="code-object">String</SPAN> getTotal() {
		<SPAN class="code-object">double</SPAN> total = 0;
		<SPAN class="code-object">String</SPAN> currencySymbol = &quot;&quot;;
		<SPAN class="code-keyword">if</SPAN> (!cart.isEmpty()) {
			Item item = cart.values().iterator().next();
			currencySymbol = item.getPrice().substring(0, 1);
		}
		<SPAN class="code-keyword">for</SPAN> (Item item : cart.values()) {
			total += <SPAN class="code-object">Double</SPAN>.valueOf(item.getPrice().substring(1));
		}
		<SPAN class="code-keyword">return</SPAN> currencySymbol + <SPAN class="code-object">String</SPAN>.valueOf(total);
	}
}
</PRE>
</DIV></DIV>
<P><B>Note:</B> Since the Tuscany conversational support is not ready yet the cart is realized through a hack.<BR>
The cart field is defined as static.</P>

<P>After completing these steps the content of the &quot;store&quot; project will look as follows.</P>

<P><SPAN class="image-wrap" style=""><IMG src="getting-started-with-tuscany-using-tuscany-eclipse-plugin.data/store_project_2.png" style="border: 0px solid black"></SPAN><BR>
&nbsp;</P>

<H3><A name="GettingStartedwithTuscany%28usingTuscanyEclipsePlugin%29-%7B%7DStore%7B%7D"></A><B><EM>Store</EM></B></H3>

<P>In this step you create the user facing Store service that will run in a Web browser and provide the<BR>
user interface to the other services you created.</P>

<P>Select the &quot;ufservices&quot; package. <B><EM>Right click</EM></B> to get the context menu, select <B><EM>New</EM></B>, and then <B><EM>File</EM></B>. In<BR>
the <B><EM>New File</EM></B> dialog enter &quot;store.html&quot; for the <B><EM>File name</EM></B>, and then select <B><EM>Finish</EM></B> to complete the<BR>
dialog.</P>

<P>The Text editor will open on the new created html file. Replace the content of the editor by <B><EM>copy-paste</EM></B><BR>
of the following html snippet.</P>
<DIV class="code panel" style="border-width: 1px;"><DIV class="codeContent panelContent">
<PRE class="code-java">
&lt;html&gt;
&lt;head&gt;
&lt;title&gt;Store&lt;/title&gt;

&lt;script type=<SPAN class="code-quote">&quot;text/javascript&quot;</SPAN> src=<SPAN class="code-quote">&quot;store.js&quot;</SPAN>&gt;&lt;/script&gt;

&lt;script language=<SPAN class="code-quote">&quot;JavaScript&quot;</SPAN>&gt;

	<SPAN class="code-comment">//@Reference
</SPAN>	<SPAN class="code-keyword">var</SPAN> catalog = <SPAN class="code-keyword">new</SPAN> tuscany.sca.Reference(<SPAN class="code-quote">&quot;catalog&quot;</SPAN>);
	
	<SPAN class="code-comment">//@Reference
</SPAN>	<SPAN class="code-keyword">var</SPAN> shoppingCart = <SPAN class="code-keyword">new</SPAN> tuscany.sca.Reference(<SPAN class="code-quote">&quot;shoppingCart&quot;</SPAN>);

	<SPAN class="code-comment">//@Reference
</SPAN>	<SPAN class="code-keyword">var</SPAN> shoppingTotal = <SPAN class="code-keyword">new</SPAN> tuscany.sca.Reference(<SPAN class="code-quote">&quot;shoppingTotal&quot;</SPAN>);
	
	<SPAN class="code-keyword">var</SPAN> catalogItems;

	function catalog_getResponse(items) {
		<SPAN class="code-keyword">var</SPAN> catalog = &quot;&quot;;
		<SPAN class="code-keyword">for</SPAN> (<SPAN class="code-keyword">var</SPAN> i=0; i&lt;items.length; i++) {
			<SPAN class="code-keyword">var</SPAN> item = items[i].name + ' - ' + items[i].price;
			catalog += '&lt;input name=<SPAN class="code-quote">&quot;items&quot;</SPAN> type=<SPAN class="code-quote">&quot;checkbox&quot;</SPAN> value=&quot;' + 
						item + '&quot;&gt;' + item + ' &lt;br&gt;';
		}
		document.getElementById('catalog').innerHTML=catalog;
		catalogItems = items;
	}
	
	function shoppingCart_getResponse(feed) {
		<SPAN class="code-keyword">if</SPAN> (feed != <SPAN class="code-keyword">null</SPAN>) {
			<SPAN class="code-keyword">var</SPAN> entries = feed.getElementsByTagName(<SPAN class="code-quote">&quot;entry&quot;</SPAN>);              
			<SPAN class="code-keyword">var</SPAN> list = &quot;&quot;;
			<SPAN class="code-keyword">for</SPAN> (<SPAN class="code-keyword">var</SPAN> i=0; i&lt;entries.length; i++) {
				<SPAN class="code-keyword">var</SPAN> content = entries[i].getElementsByTagName(<SPAN class="code-quote">&quot;content&quot;</SPAN>)[0];
				<SPAN class="code-keyword">var</SPAN> name = content.getElementsByTagName(<SPAN class="code-quote">&quot;name&quot;</SPAN>)[0].firstChild.nodeValue;
				<SPAN class="code-keyword">var</SPAN> price = content.getElementsByTagName(<SPAN class="code-quote">&quot;price&quot;</SPAN>)[0].firstChild.nodeValue;
				list += name + ' - ' + price + ' &lt;br&gt;';
			}
			document.getElementById(<SPAN class="code-quote">&quot;shoppingCart&quot;</SPAN>).innerHTML = list;

			<SPAN class="code-keyword">if</SPAN> (entries.length != 0) {			
				shoppingTotal.getTotal(shoppingTotal_getTotalResponse);
			}
		}
	}
	
	function shoppingTotal_getTotalResponse(total) {
		document.getElementById('total').innerHTML = total;
	}
	
	function shoppingCart_postResponse(entry) {
		shoppingCart.get(&quot;&quot;, shoppingCart_getResponse);
	}				

	function addToCart() {
		<SPAN class="code-keyword">var</SPAN> items  = document.catalogForm.items;
		<SPAN class="code-keyword">var</SPAN> j = 0;
		<SPAN class="code-keyword">for</SPAN> (<SPAN class="code-keyword">var</SPAN> i=0; i&lt;items.length; i++)
			<SPAN class="code-keyword">if</SPAN> (items[i].checked) {
				<SPAN class="code-keyword">var</SPAN> entry = '&lt;entry xmlns=<SPAN class="code-quote">&quot;http:<SPAN class="code-comment">//www.w3.org/2005/Atom&quot;</SPAN>&gt;&lt;title&gt;item&lt;/title&gt;&lt;content type=<SPAN class="code-quote">&quot;text/xml&quot;</SPAN>&gt;' +
</SPAN>                	'&lt;Item xmlns=<SPAN class="code-quote">&quot;http:<SPAN class="code-comment">//services/&quot;</SPAN>&gt;' +
</SPAN>                	'&lt;name xmlns=<SPAN class="code-quote">&quot;&quot;&gt;' + catalogItems[i].name + '&lt;/name&gt;' + '&lt;price xmlns=&quot;</SPAN>&quot;&gt;' + catalogItems[i].price + '&lt;/price&gt;' +
                 	'&lt;/Item&gt;' + '&lt;/content&gt;&lt;/entry&gt;';
				shoppingCart.post(entry, shoppingCart_postResponse);
				items[i].checked = <SPAN class="code-keyword">false</SPAN>;
			}
	}
	function checkoutCart() {
		document.getElementById('store').innerHTML='&lt;h2&gt;' +
				'Thanks <SPAN class="code-keyword">for</SPAN> Shopping With Us!&lt;/h2&gt;'+
				'&lt;h2&gt;Your Order&lt;/h2&gt;'+
				'&lt;form name=<SPAN class="code-quote">&quot;orderForm&quot;</SPAN>&gt;'+
					document.getElementById('shoppingCart').innerHTML+
					'&lt;br&gt;'+
					document.getElementById('total').innerHTML+
					'&lt;br&gt;'+
					'&lt;br&gt;'+
					'&lt;input type=<SPAN class="code-quote">&quot;submit&quot;</SPAN> value=<SPAN class="code-quote">&quot;Continue Shopping&quot;</SPAN>&gt;'+ 
				'&lt;/form&gt;';
		shoppingCart.del(&quot;&quot;, <SPAN class="code-keyword">null</SPAN>);
	}
	function deleteCart() {
		shoppingCart.del(&quot;&quot;, <SPAN class="code-keyword">null</SPAN>);
		document.getElementById('shoppingCart').innerHTML = &quot;&quot;;
		document.getElementById('total').innerHTML = &quot;&quot;;	
	}	

	function init() {
		catalog.get(catalog_getResponse);
		shoppingCart.get(&quot;&quot;, shoppingCart_getResponse);
	}
	
&lt;/script&gt;

&lt;/head&gt;

&lt;body onload=<SPAN class="code-quote">&quot;init()&quot;</SPAN>&gt;
&lt;h1&gt;Store&lt;/h1&gt;
  &lt;div id=<SPAN class="code-quote">&quot;store&quot;</SPAN>&gt;
   	&lt;h2&gt;Catalog&lt;/h2&gt;
   	&lt;form name=<SPAN class="code-quote">&quot;catalogForm&quot;</SPAN>&gt;
		&lt;div id=<SPAN class="code-quote">&quot;catalog&quot;</SPAN> &gt;&lt;/div&gt;
		&lt;br&gt;
		&lt;input type=<SPAN class="code-quote">&quot;button&quot;</SPAN> onClick=<SPAN class="code-quote">&quot;addToCart()&quot;</SPAN>  value=<SPAN class="code-quote">&quot;Add to Cart&quot;</SPAN>&gt;
   	&lt;/form&gt;
 
 	&lt;br&gt;
  
   	&lt;h2&gt;Your Shopping Cart&lt;/h2&gt;
   	&lt;form name=<SPAN class="code-quote">&quot;shoppingCartForm&quot;</SPAN>&gt;
		&lt;div id=<SPAN class="code-quote">&quot;shoppingCart&quot;</SPAN>&gt;&lt;/div&gt;
		&lt;br&gt;
		&lt;div id=<SPAN class="code-quote">&quot;total&quot;</SPAN>&gt;&lt;/div&gt;
		&lt;br&gt;		
		&lt;input type=<SPAN class="code-quote">&quot;button&quot;</SPAN> onClick=<SPAN class="code-quote">&quot;checkoutCart()&quot;</SPAN> value=<SPAN class="code-quote">&quot;Checkout&quot;</SPAN>&gt; 
		&lt;input type=<SPAN class="code-quote">&quot;button&quot;</SPAN> onClick=<SPAN class="code-quote">&quot;deleteCart()&quot;</SPAN> value=<SPAN class="code-quote">&quot;Empty&quot;</SPAN>&gt;     
	   	&lt;a href=<SPAN class="code-quote">&quot;../ShoppingCart/Cart/&quot;</SPAN>&gt;(feed)&lt;/a&gt;
	&lt;/form&gt;    
  &lt;/div&gt;
&lt;/body&gt;
&lt;/html&gt;
</PRE>
</DIV></DIV>
<P>After completing these steps the content of the &quot;store&quot; project will look as follows.</P>

<P>&nbsp;<SPAN class="image-wrap" style=""><IMG src="getting-started-with-tuscany-using-tuscany-eclipse-plugin.data/store_project_3.jpg" style="border: 0px solid black"></SPAN></P>

<H2><A name="GettingStartedwithTuscany%28usingTuscanyEclipsePlugin%29-ComposeServices"></A>Compose Services</H2>

<P>Now that you have all the required service implementations you compose them together to provide<BR>
the store composite service. The composition is stored in a .composite file.</P>

<P>Select the &quot;src&quot; folder of the &quot;store&quot; project. <B><EM>Right click</EM></B> to get the context menu, select <B><EM>New</EM></B>, and<BR>
then <B><EM>File</EM></B>. In the <B><EM>New File</EM></B> dialog enter &quot;store.composite&quot; for the <B><EM>File name</EM></B>, and then select <B><EM>Finish</EM></B><BR>
to complete the dialog.</P>

<P>The Text editor will open on the new created composite file. Replace the content of the editor by<BR>
<B><EM>copy-paste</EM></B> of the following composite snippet.</P>
<DIV class="code panel" style="border-width: 1px;"><DIV class="codeContent panelContent">
<PRE class="code-java">
&lt;?xml version=<SPAN class="code-quote">&quot;1.0&quot;</SPAN> encoding=<SPAN class="code-quote">&quot;UTF-8&quot;</SPAN>?&gt;
&lt;composite xmlns=<SPAN class="code-quote">&quot;http:<SPAN class="code-comment">//www.osoa.org/xmlns/sca/1.0&quot;</SPAN>
</SPAN>	xmlns:t=<SPAN class="code-quote">&quot;http:<SPAN class="code-comment">//tuscany.apache.org/xmlns/sca/1.0&quot;</SPAN>
</SPAN>	xmlns:s=<SPAN class="code-quote">&quot;http:<SPAN class="code-comment">//store&quot;</SPAN> 
</SPAN>	targetNamespace=<SPAN class="code-quote">&quot;http:<SPAN class="code-comment">//store&quot;</SPAN> 
</SPAN>	name=<SPAN class="code-quote">&quot;store&quot;</SPAN>&gt;
	
	&lt;component name=<SPAN class="code-quote">&quot;store&quot;</SPAN>&gt;
		&lt;t:implementation.widget location=<SPAN class="code-quote">&quot;ufservices/store.html&quot;</SPAN> /&gt;
		&lt;service name=<SPAN class="code-quote">&quot;Widget&quot;</SPAN>&gt;
			&lt;t:binding.http uri=<SPAN class="code-quote">&quot;http:<SPAN class="code-comment">//localhost:8080/store&quot;</SPAN> /&gt;
</SPAN>		&lt;/service&gt;
		&lt;reference name=<SPAN class="code-quote">&quot;catalog&quot;</SPAN> target=<SPAN class="code-quote">&quot;Catalog&quot;</SPAN>&gt;
			&lt;t:binding.jsonrpc /&gt;
		&lt;/reference&gt;
		&lt;reference name=<SPAN class="code-quote">&quot;shoppingCart&quot;</SPAN> target=<SPAN class="code-quote">&quot;ShoppingCart/Cart&quot;</SPAN>&gt;
			&lt;t:binding.atom /&gt;
		&lt;/reference&gt;
		&lt;reference name=<SPAN class="code-quote">&quot;shoppingTotal&quot;</SPAN> target=<SPAN class="code-quote">&quot;ShoppingCart/Total&quot;</SPAN>&gt;
			&lt;t:binding.jsonrpc /&gt;
		&lt;/reference&gt;
	&lt;/component&gt;

	&lt;component name=<SPAN class="code-quote">&quot;Catalog&quot;</SPAN>&gt;
		&lt;implementation.java class=<SPAN class="code-quote">&quot;services.CatalogImpl&quot;</SPAN> /&gt;
		&lt;property name=<SPAN class="code-quote">&quot;currencyCode&quot;</SPAN>&gt;USD&lt;/property&gt;
		&lt;service name=<SPAN class="code-quote">&quot;Catalog&quot;</SPAN>&gt;
			&lt;t:binding.jsonrpc uri=<SPAN class="code-quote">&quot;http:<SPAN class="code-comment">//localhost:8080/Catalog&quot;</SPAN>/&gt;
</SPAN>		&lt;/service&gt;
		&lt;reference name=<SPAN class="code-quote">&quot;currencyConverter&quot;</SPAN> target=<SPAN class="code-quote">&quot;CurrencyConverter&quot;</SPAN> /&gt;
	&lt;/component&gt;

	&lt;component name=<SPAN class="code-quote">&quot;ShoppingCart&quot;</SPAN>&gt;
		&lt;implementation.java class=<SPAN class="code-quote">&quot;services.ShoppingCartImpl&quot;</SPAN> /&gt;
		&lt;service name=<SPAN class="code-quote">&quot;Cart&quot;</SPAN>&gt;
			&lt;t:binding.atom uri=<SPAN class="code-quote">&quot;http:<SPAN class="code-comment">//localhost:8080/ShoppingCart/Cart&quot;</SPAN> /&gt;
</SPAN>		&lt;/service&gt;
		&lt;service name=<SPAN class="code-quote">&quot;Total&quot;</SPAN>&gt;
			&lt;t:binding.jsonrpc uri=<SPAN class="code-quote">&quot;http:<SPAN class="code-comment">//localhost:8080/Total&quot;</SPAN>/&gt;
</SPAN>		&lt;/service&gt;
	&lt;/component&gt;

	&lt;component name=<SPAN class="code-quote">&quot;CurrencyConverter&quot;</SPAN>&gt;
		&lt;implementation.java class=<SPAN class="code-quote">&quot;services.CurrencyConverterImpl&quot;</SPAN> /&gt;
	&lt;/component&gt;
&lt;/composite&gt;
</PRE>
</DIV></DIV>
<P>After completing these steps the content of the &quot;store&quot; project will look as follows.</P>

<P><SPAN class="image-wrap" style=""><IMG src="getting-started-with-tuscany-using-tuscany-eclipse-plugin.data/store_project_4.jpg" style="border: 0px solid black"></SPAN><BR>
&nbsp;</P>

<P>Congratulations you completed your 1st composite service applications, now its time to take it into<BR>
action.</P>

<H2><A name="GettingStartedwithTuscany%28usingTuscanyEclipsePlugin%29-UseServices"></A>Use Services</H2>

<P>In this step you launch and use the store composite service application you created.</P>

<P>First select the &quot;store.composite&quot; file. <B><EM>Right click</EM></B> to get the context menu, select <B><EM>Run As</EM></B>, and then <B><EM>Tuscany</EM></B>. <BR>
The Tuscany runtime will start up adding the store composition to its domain.</P>

<P>The Eclipse console will show the following messages.</P>

<P>&nbsp;<SPAN class="image-wrap" style=""><IMG src="getting-started-with-tuscany-using-tuscany-eclipse-plugin.data/eclipse_console.png" style="border: 0px solid black"></SPAN></P>

<P>&nbsp;Next Launch your Web browser and enter the following address:</P>

<P><A href="http://localhost:8080/store/store.html" class="external-link" rel="nofollow">http://localhost:8080/store/store.html</A>&nbsp;</P>

<P>&nbsp;You get to the Store user facing service of the composite service application.</P>

<P><SPAN class="image-wrap" style=""><IMG src="getting-started-with-tuscany-using-tuscany-eclipse-plugin.data/store_page.png" style="border: 0px solid black"></SPAN></P>

<P>You can select items from the Catalog and add them to your Shopping Cart.</P>

<P> <SPAN class="image-wrap" style=""><IMG src="getting-started-with-tuscany-using-tuscany-eclipse-plugin.data/store_page_1.png" style="border: 0px solid black"></SPAN></P>

<P>Since the ShoppingCart service is bound using the ATOM binding, you can also look at the<BR>
shopping card content in ATOM feed form by clicking on the feed icon <SPAN class="image-wrap" style=""><IMG src="getting-started-with-tuscany-using-tuscany-eclipse-plugin.data/atom_feed.png" style="border: 0px solid black"></SPAN>. You get the browsers default rendering for ATOM feeds.</P>

<P>&nbsp;<SPAN class="image-wrap" style=""><IMG src="getting-started-with-tuscany-using-tuscany-eclipse-plugin.data/atom_feeds_page.png" style="border: 0px solid black"></SPAN></P>

<P>&nbsp;Use the browser back button to get back to the Store page.</P>

<P><SPAN class="image-wrap" style=""><IMG src="getting-started-with-tuscany-using-tuscany-eclipse-plugin.data/store_page_2.png" style="border: 0px solid black"></SPAN></P>

<P>And then you can Checkout to complete your order.</P>

<P><SPAN class="image-wrap" style=""><IMG src="getting-started-with-tuscany-using-tuscany-eclipse-plugin.data/store_page_3.png" style="border: 0px solid black"></SPAN></P>
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