diff options
Diffstat (limited to 'sca-java-1.x/tags/1.5/modules/implementation-widget/src/main/java/org/apache/tuscany/sca/implementation/widget/WidgetImplementationIntrospector.java')
-rw-r--r-- | sca-java-1.x/tags/1.5/modules/implementation-widget/src/main/java/org/apache/tuscany/sca/implementation/widget/WidgetImplementationIntrospector.java | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/1.5/modules/implementation-widget/src/main/java/org/apache/tuscany/sca/implementation/widget/WidgetImplementationIntrospector.java b/sca-java-1.x/tags/1.5/modules/implementation-widget/src/main/java/org/apache/tuscany/sca/implementation/widget/WidgetImplementationIntrospector.java new file mode 100644 index 0000000000..abe00bac5b --- /dev/null +++ b/sca-java-1.x/tags/1.5/modules/implementation-widget/src/main/java/org/apache/tuscany/sca/implementation/widget/WidgetImplementationIntrospector.java @@ -0,0 +1,145 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +package org.apache.tuscany.sca.implementation.widget; + +import java.net.URL; +import java.net.URLConnection; +import java.util.Scanner; + +import org.apache.tuscany.sca.assembly.AssemblyFactory; +import org.apache.tuscany.sca.assembly.Property; +import org.apache.tuscany.sca.assembly.Reference; + +/** + * + * @version $Rev$ $Date$ + */ +class WidgetImplementationIntrospector { + private static final String WEB_REFERENCE_ANNOTATION = "//@Reference"; + private static final String WEB_PROPERTY_ANNOTATION = "//@Property"; + + private AssemblyFactory assemblyFactory; + private WidgetImplementation widgetImplementation; + + WidgetImplementationIntrospector(AssemblyFactory assemblyFactory, WidgetImplementation widgetImplementation) { + this.widgetImplementation = widgetImplementation; + this.assemblyFactory = assemblyFactory; + } + + + /** + * Introspect and populate a given widget implementation + */ + public void introspectImplementation() { + URL htmlWidget = widgetImplementation.getLocationURL(); + + try { + URLConnection connection = htmlWidget.openConnection(); + connection.setUseCaches(false); + Scanner scanner = new Scanner(connection.getInputStream()); + while(scanner.hasNextLine()) { + String line = scanner.nextLine(); + if(line.contains(WEB_PROPERTY_ANNOTATION)) { + //process the next line, as it has the property info + if (scanner.hasNextLine()) { + Property property = processPropertyScript(scanner.nextLine()); + if (property != null) { + widgetImplementation.getProperties().add(property); + } + } + + } else if(line.contains(WEB_REFERENCE_ANNOTATION)) { + //process the next line, as it has the reference info + if (scanner.hasNextLine()) { + Reference reference = processReferenceScript(scanner.nextLine()); + if(reference != null){ + widgetImplementation.getReferences().add(reference); + } + + } + } + } + + } catch(Exception e) { + + } + + + } + + + /** + * Process Property declaration in JavaScript code + * Supported ways: + * //@Property + * var locale = Property("locale"); + * + * //@Property + * locale = Property("locale"); + * + * @param scriptContent + * @return + */ + private Property processPropertyScript(String scriptContent) { + Property property = null; + String propertyName = null; + + String tokens[] = scriptContent.split("="); + tokens = tokens[0].split(" "); + propertyName = tokens[tokens.length -1]; + + if(propertyName != null) { + property = assemblyFactory.createProperty(); + property.setName(propertyName); + } + + return property; + } + + /** + * Process Reference declaration in JavaScript code + * Supported ways : + * //@Reference + * var catalog = new Reference("catalog"); + * + * //@Reference + * catalog = new Reference("catalog"); + * + * @param scriptContent + * @return + */ + private Reference processReferenceScript(String scriptContent) { + Reference reference = null; + String referenceName = null; + + String tokens[] = scriptContent.split("="); + + // find the string between the quotes + tokens = tokens[1].split("\""); + referenceName = tokens[1]; + + if(referenceName != null) { + reference = assemblyFactory.createReference(); + reference.setName(referenceName); + } + + return reference; + } +} |