Models for common java artifacts and their implementations

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@723697 13f79535-47bb-0310-9956-ffa450edef68

8 files changed, 576 insertions, 0 deletions

diff --git a/java/sca/modules/implementation-pojo/src/main/java/org/apache/tuscany/sca/pojo/JavaConstructor.java b/java/sca/modules/implementation-pojo/src/main/java/org/apache/tuscany/sca/pojo/JavaConstructor.java
new file mode 100644
index 0000000000..5f81353606
--- /dev/null
+++ b/java/sca/modules/implementation-pojo/src/main/java/org/apache/tuscany/sca/pojo/JavaConstructor.java
@@ -0,0 +1,42 @@
+/*
+ * 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.pojo;
+
+import java.lang.reflect.Constructor;
+
+
+/**
+ * Hold injection information for the constructor used to instantiate a
+ * component implementation instance
+ * 
+ * @version $Rev$ $Date$
+ */
+public interface JavaConstructor<T> {
+
+	/**
+	 * @return the constructor
+	 */
+	Constructor<T> getConstructor();
+
+	/**
+	 * @return the parameters
+	 */
+	JavaParameter[] getParameters();
+
+}
\ No newline at end of file
diff --git a/java/sca/modules/implementation-pojo/src/main/java/org/apache/tuscany/sca/pojo/JavaElement.java b/java/sca/modules/implementation-pojo/src/main/java/org/apache/tuscany/sca/pojo/JavaElement.java
new file mode 100644
index 0000000000..19d452d07f
--- /dev/null
+++ b/java/sca/modules/implementation-pojo/src/main/java/org/apache/tuscany/sca/pojo/JavaElement.java
@@ -0,0 +1,92 @@
+/*
+ * 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.pojo;
+
+import java.lang.annotation.Annotation;
+import java.lang.annotation.ElementType;
+import java.lang.reflect.AnnotatedElement;
+import java.lang.reflect.Type;
+
+
+/**
+ * This class represents a java element such as a Package, Class, Constructor,
+ * Field, Method or Parameter.
+ * 
+ * @version $Rev$ $Date$
+ */
+public interface JavaElement {
+
+	/**
+	 * @return the anchor
+	 */
+	AnnotatedElement getAnchor();
+
+	/**
+	 * @return the elementType
+	 */
+	ElementType getElementType();
+
+	/**
+	 * @return the genericType
+	 */
+	Type getGenericType();
+
+	/**
+	 * @return the index
+	 */
+	int getIndex();
+
+	/**
+	 * @return the type
+	 */
+	Class<?> getType();
+
+	/**
+	 * @return the annotations
+	 */
+	Annotation[] getAnnotations();
+
+	/**
+	 * Return a given annotation
+	 * @param annotationType the annotation type
+	 * @return the annotation
+	 */
+	<T extends Annotation> T getAnnotation(Class<T> annotationType);
+
+	/**
+	 * @return the name
+	 */
+	String getName();
+
+	/**
+	 * @param name the name to set
+	 */
+	void setName(String name);
+
+	/**
+	 * @return the classifier
+	 */
+	Class<? extends Annotation> getClassifer();
+
+	/**
+	 * @param classifer the classifier to set
+	 */
+	void setClassifer(Class<? extends Annotation> classifer);
+
+}
\ No newline at end of file
diff --git a/java/sca/modules/implementation-pojo/src/main/java/org/apache/tuscany/sca/pojo/JavaParameter.java b/java/sca/modules/implementation-pojo/src/main/java/org/apache/tuscany/sca/pojo/JavaParameter.java
new file mode 100644
index 0000000000..d5ded915db
--- /dev/null
+++ b/java/sca/modules/implementation-pojo/src/main/java/org/apache/tuscany/sca/pojo/JavaParameter.java
@@ -0,0 +1,29 @@
+/*
+ * 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.pojo;
+
+/**
+ * This class represents a java element such as a Package, Class, Constructor,
+ * Field, Method or Parameter.
+ * 
+ * @version $Rev$ $Date$
+ */
+public interface JavaParameter extends JavaElement {
+
+}
\ No newline at end of file
diff --git a/java/sca/modules/implementation-pojo/src/main/java/org/apache/tuscany/sca/pojo/JavaResource.java b/java/sca/modules/implementation-pojo/src/main/java/org/apache/tuscany/sca/pojo/JavaResource.java
new file mode 100644
index 0000000000..38fbf75a71
--- /dev/null
+++ b/java/sca/modules/implementation-pojo/src/main/java/org/apache/tuscany/sca/pojo/JavaResource.java
@@ -0,0 +1,65 @@
+/*
+ * 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.pojo;
+
+
+/**
+ * A resource dependency declared by a Java component implementation
+ * 
+ * @version $Rev$ $Date$
+ */
+public interface JavaResource {
+
+	/**
+	 * The name of the resource
+	 * 
+	 * @return the name of the resource
+	 */
+	String getName();
+
+	/**
+	 * Returns the URI of the resource
+	 * 
+	 * @return the URI of the resource
+	 */
+	String getMappedName();
+
+	/**
+	 * Sets the resource URI
+	 */
+	void setMappedName(String mappedName);
+
+	/**
+	 * If true, the resource is optional
+	 * 
+	 * @return true if the resource is optional
+	 */
+	boolean isOptional();
+
+	/**
+	 * Sets whether the resource is optional
+	 */
+	void setOptional(boolean optional);
+
+	/**
+	 * @return the element
+	 */
+	JavaElement getElement();
+
+}
\ No newline at end of file
diff --git a/java/sca/modules/implementation-pojo/src/main/java/org/apache/tuscany/sca/pojo/impl/JavaConstructorImpl.java b/java/sca/modules/implementation-pojo/src/main/java/org/apache/tuscany/sca/pojo/impl/JavaConstructorImpl.java
new file mode 100644
index 0000000000..36a87420ab
--- /dev/null
+++ b/java/sca/modules/implementation-pojo/src/main/java/org/apache/tuscany/sca/pojo/impl/JavaConstructorImpl.java
@@ -0,0 +1,54 @@
+/*
+ * 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.pojo.impl;
+
+import java.lang.reflect.Constructor;
+
+import org.apache.tuscany.sca.pojo.JavaConstructor;
+
+
+/**
+ * Hold injection information for the constructor used to instantiate a
+ * component implementation instance
+ * 
+ * @version $Rev$ $Date$
+ */
+public class JavaConstructorImpl<T> implements JavaConstructor<T> {
+    private Constructor<T> constructor;
+    private JavaParameterImpl[] parameters;
+
+    public JavaConstructorImpl(Constructor<T> constructor) {
+        this.constructor = constructor;
+        int size = constructor.getParameterTypes().length;
+        parameters = new JavaParameterImpl[size];
+        for (int i = 0; i < size; i++) {
+            parameters[i] = new JavaParameterImpl(constructor, i);
+        }
+    }
+
+
+    public Constructor<T> getConstructor() {
+        return constructor;
+    }
+
+
+    public JavaParameterImpl[] getParameters() {
+        return parameters;
+    }
+}
diff --git a/java/sca/modules/implementation-pojo/src/main/java/org/apache/tuscany/sca/pojo/impl/JavaElementImpl.java b/java/sca/modules/implementation-pojo/src/main/java/org/apache/tuscany/sca/pojo/impl/JavaElementImpl.java
new file mode 100644
index 0000000000..4ae725596f
--- /dev/null
+++ b/java/sca/modules/implementation-pojo/src/main/java/org/apache/tuscany/sca/pojo/impl/JavaElementImpl.java
@@ -0,0 +1,194 @@
+/*
+ * 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.pojo.impl;
+
+import java.lang.annotation.Annotation;
+import java.lang.annotation.ElementType;
+import java.lang.reflect.AnnotatedElement;
+import java.lang.reflect.Constructor;
+import java.lang.reflect.Field;
+import java.lang.reflect.Method;
+import java.lang.reflect.Type;
+
+import org.apache.tuscany.sca.pojo.JavaElement;
+
+/**
+ * This class represents a java element such as a Package, Class, Constructor,
+ * Field, Method or Parameter.
+ * 
+ * @version $Rev$ $Date$
+ */
+public class JavaElementImpl implements JavaElement {
+    private AnnotatedElement anchor;
+    private ElementType elementType;
+    private Class<?> type;
+    private Type genericType;
+    private int index = -1;
+    private String name;
+    private Class<? extends Annotation> classifer;
+
+    public JavaElementImpl(Class<?> cls) {
+        this.anchor = cls;
+        this.elementType = ElementType.TYPE;
+        this.type = cls;
+        this.genericType = cls;
+        this.name = cls.getName();
+    }
+
+    public JavaElementImpl(Field field) {
+        this.anchor = field;
+        this.elementType = ElementType.FIELD;
+        this.type = field.getType();
+        this.genericType = field.getGenericType();
+        this.name = field.getName();
+    }
+
+    public JavaElementImpl(Constructor<?> constructor, int index) {
+        this.anchor = constructor;
+        this.elementType = ElementType.PARAMETER;
+        this.type = constructor.getParameterTypes()[index];
+        this.genericType = constructor.getGenericParameterTypes()[index];
+        this.index = index;
+        this.name = "";
+    }
+
+    public JavaElementImpl(Method method, int index) {
+        this.anchor = method;
+        this.elementType = ElementType.PARAMETER;
+        this.type = method.getParameterTypes()[index];
+        this.genericType = method.getGenericParameterTypes()[index];
+        this.index = index;
+        this.name = "";
+    }
+
+    /**
+     * For testing purpose
+     * 
+     * @param name
+     * @param type
+     * @param classifer TODO
+     * @param elementType
+     */
+    public JavaElementImpl(String name, Class<?> type, Class<? extends Annotation> classifer) {
+        super();
+        this.type = type;
+        this.name = name;
+        this.classifer = classifer;
+    }
+
+    public AnnotatedElement getAnchor() {
+        return anchor;
+    }
+
+    public ElementType getElementType() {
+        return elementType;
+    }
+
+    public Type getGenericType() {
+        return genericType;
+    }
+
+    public int getIndex() {
+        return index;
+    }
+
+    public Class<?> getType() {
+        return type;
+    }
+
+    public Annotation[] getAnnotations() {
+        if (elementType == ElementType.PARAMETER) {
+            if (anchor instanceof Method) {
+                // We only care about the method-level annotations
+                return ((Method)anchor).getAnnotations();
+            }
+            if (anchor instanceof Constructor) {
+                return ((Constructor<?>)anchor).getParameterAnnotations()[index];
+            }
+        }
+        return anchor.getAnnotations();
+    }
+
+    public <T extends Annotation> T getAnnotation(Class<T> annotationType) {
+        for (Annotation a : getAnnotations()) {
+            if (a.annotationType() == annotationType) {
+                return annotationType.cast(a);
+            }
+        }
+        return null;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public Class<? extends Annotation> getClassifer() {
+        return classifer;
+    }
+
+    public void setClassifer(Class<? extends Annotation> classifer) {
+        this.classifer = classifer;
+    }
+    
+
+    @Override
+    public String toString() {
+        return anchor.toString() + (elementType == ElementType.PARAMETER ? "[" + index + "]" : "");
+    }
+
+    @Override
+    public int hashCode() {
+        final int PRIME = 31;
+        int result = 1;
+        result = PRIME * result + ((anchor == null) ? 0 : anchor.hashCode());
+        result = PRIME * result + index;
+        return result;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj == null) {
+            return false;
+        }
+        if (getClass() != obj.getClass()) {
+            return false;
+        }
+        final JavaElementImpl other = (JavaElementImpl)obj;
+        if (anchor == null) {
+            if (other.anchor != null) {
+                return false;
+            }
+        } else if (!anchor.equals(other.anchor)) {
+            return false;
+        }
+        if (index != other.index) {
+            return false;
+        }
+        return true;
+    }    
+
+}
diff --git a/java/sca/modules/implementation-pojo/src/main/java/org/apache/tuscany/sca/pojo/impl/JavaParameterImpl.java b/java/sca/modules/implementation-pojo/src/main/java/org/apache/tuscany/sca/pojo/impl/JavaParameterImpl.java
new file mode 100644
index 0000000000..417644be14
--- /dev/null
+++ b/java/sca/modules/implementation-pojo/src/main/java/org/apache/tuscany/sca/pojo/impl/JavaParameterImpl.java
@@ -0,0 +1,37 @@
+/*
+ * 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.pojo.impl;
+
+import java.lang.reflect.Constructor;
+
+import org.apache.tuscany.sca.pojo.JavaParameter;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class JavaParameterImpl extends JavaElementImpl implements JavaParameter {
+    /**
+     * @param constructor
+     * @param index
+     */
+    public JavaParameterImpl(Constructor<?> constructor, int index) {
+        super(constructor, index);
+    }
+}
diff --git a/java/sca/modules/implementation-pojo/src/main/java/org/apache/tuscany/sca/pojo/impl/JavaResourceImpl.java b/java/sca/modules/implementation-pojo/src/main/java/org/apache/tuscany/sca/pojo/impl/JavaResourceImpl.java
new file mode 100644
index 0000000000..5a36a21db8
--- /dev/null
+++ b/java/sca/modules/implementation-pojo/src/main/java/org/apache/tuscany/sca/pojo/impl/JavaResourceImpl.java
@@ -0,0 +1,63 @@
+/*
+ * 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.pojo.impl;
+
+import org.apache.tuscany.sca.pojo.JavaElement;
+import org.apache.tuscany.sca.pojo.JavaResource;
+
+/**
+ * A resource dependency declared by a Java component implementation
+ * 
+ * @version $Rev$ $Date$
+ */
+public class JavaResourceImpl implements JavaResource {
+    private JavaElement element;
+    private String mappedName;
+    private boolean optional;
+
+    public JavaResourceImpl(JavaElement element) {
+        this.element = element;
+    }
+
+    public String getName() {
+        return element.getName();
+    }
+
+    public String getMappedName() {
+        return mappedName;
+    }
+
+    public void setMappedName(String mappedName) {
+        this.mappedName = mappedName;
+    }
+
+    public boolean isOptional() {
+        return optional;
+    }
+
+    public void setOptional(boolean optional) {
+        this.optional = optional;
+    }
+
+    public JavaElement getElement() {
+        return element;
+    }
+
+
+}