/* | |
* 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.felix.ipojo.composite.service.provides; | |
import java.lang.reflect.Method; | |
/** | |
* Information on Method for the composition. | |
* @author <a href="mailto:dev@felix.apache.org">Felix Project Team</a> | |
*/ | |
public class MethodMetadata { | |
/** | |
* ONE POLICY. | |
*/ | |
public static final int ONE_POLICY = 1; | |
/** | |
* ALL POLICY. | |
*/ | |
public static final int ALL_POLICY = 2; | |
/** | |
* Method Object. | |
*/ | |
private Method m_method; | |
/** | |
* Delegation field. | |
*/ | |
private FieldMetadata m_delegation; | |
/** | |
* Delegation policy (default = ONE). | |
*/ | |
private int m_policy = ONE_POLICY; | |
/** | |
* Constructor. | |
* @param method : method object. | |
*/ | |
public MethodMetadata(Method method) { | |
m_method = method; | |
} | |
public Method getMethod() { | |
return m_method; | |
} | |
public void setDelegation(FieldMetadata field) { | |
m_delegation = field; | |
} | |
public FieldMetadata getDelegation() { | |
return m_delegation; | |
} | |
/** | |
* Equals method. | |
* This method check if two MethodMetadata are equals or if the current MemethodMetadata is equals with a Method object. | |
* @param object : object. | |
* @return true if the current object and the given object are equals. | |
* @see java.lang.Object#equals(java.lang.Object) | |
*/ | |
public boolean equals(Object object) { | |
if (object instanceof MethodMetadata) { | |
Method met = ((MethodMetadata) object).getMethod(); | |
return equals(met); | |
} | |
if (object instanceof Method) { | |
Method met = (Method) object; | |
if (! met.getName().equals(m_method.getName()) || met.getParameterTypes().length != m_method.getParameterTypes().length) { | |
return false; | |
} | |
for (int i = 0; i < m_method.getParameterTypes().length; i++) { | |
if (!m_method.getParameterTypes()[i].getName().equals(met.getParameterTypes()[i].getName())) { | |
return false; | |
} | |
} | |
return true; | |
} | |
return false; | |
} | |
/** | |
* Hash code method. | |
* @return the parent hash code. | |
* @see java.lang.Object#hashCode() | |
*/ | |
public int hashCode() { | |
return super.hashCode(); | |
} | |
public int getPolicy() { | |
return m_policy; | |
} | |
/** | |
* Activate the all policy for this method. | |
*/ | |
public void setAllPolicy() { | |
m_policy = ALL_POLICY; | |
} | |
/** | |
* Check if the method can throw UnsupportedOperationException. | |
* @return true if the method has declared the UnsupportedOperationException. | |
*/ | |
protected boolean throwsUnsupportedOperationException() { | |
for (int i = 0; i < m_method.getExceptionTypes().length; i++) { | |
if (m_method.getExceptionTypes()[i].getName().equals(UnsupportedOperationException.class.getName())) { | |
return true; | |
} | |
} | |
return false; | |
} | |
} |