JdbcMapper/beehive-controls/src/main/java/org/apache/beehive/controls/runtime/generator/AptAnnotationHelper.java

88 lines
2.9 KiB
Java

/*
* 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.
*
* $Header:$
*/
package org.apache.beehive.controls.runtime.generator;
import java.util.HashMap;
import java.util.Map;
import com.sun.mirror.declaration.AnnotationMirror;
import com.sun.mirror.declaration.AnnotationTypeElementDeclaration;
import com.sun.mirror.declaration.AnnotationValue;
/**
* The AptAnnotationHelper class is a helper class that aids in the reading of annotation
* values using APT metadata
*/
public class AptAnnotationHelper
{
/**
* Initialize a new helper instance based upon a specific annotation declaration.
* @param annot The annotation value declaration
*/
public AptAnnotationHelper(AnnotationMirror annot)
{
//
// Build maps from the element name to its declaration and values
//
Map <AnnotationTypeElementDeclaration,AnnotationValue> elemValues =
annot.getElementValues();
for (AnnotationTypeElementDeclaration ated : elemValues.keySet())
{
_elementMap.put(ated.getSimpleName(), ated);
_valueMap.put(ated.getSimpleName(), elemValues.get(ated));
}
};
/**
* Returns the AnnotationTypeElementDeclaration for a particular element
*/
public AnnotationTypeElementDeclaration getElementDeclaration(String elemName)
{
if (_elementMap.containsKey(elemName))
return _elementMap.get(elemName);
return null;
}
/**
* Returns the value of a particular element as a String
*/
public String getStringValue(String elemName)
{
if (_valueMap.containsKey(elemName))
return _valueMap.get(elemName).toString();
return null;
}
/**
* Returns the value of a particular element as an Object
*/
public Object getObjectValue(String elemName)
{
if (_valueMap.containsKey(elemName))
return _valueMap.get(elemName).getValue();
return null;
}
private HashMap<String,AnnotationTypeElementDeclaration> _elementMap =
new HashMap<String,AnnotationTypeElementDeclaration>();
private HashMap<String,AnnotationValue> _valueMap =
new HashMap<String,AnnotationValue>();
}