/* Licensed 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.camunda.bpm.engine.impl.el;
import java.beans.FeatureDescriptor;
import java.util.Collections;
import java.util.Iterator;
import org.camunda.bpm.engine.impl.javax.el.ELContext;
import org.camunda.bpm.engine.impl.javax.el.ELResolver;
/**
* @author Thorben Lindhauer
*/
public abstract class AbstractElResolverDelegate extends ELResolver {
protected abstract ELResolver getElResolverDelegate();
public Class<?> getCommonPropertyType(ELContext context, Object base) {
ELResolver delegate = getElResolverDelegate();
if(delegate == null) {
return null;
} else {
return delegate.getCommonPropertyType(context, base);
}
}
public Iterator<FeatureDescriptor> getFeatureDescriptors(ELContext context, Object base) {
ELResolver delegate = getElResolverDelegate();
if(delegate == null) {
return Collections.<FeatureDescriptor>emptySet().iterator();
} else {
return delegate.getFeatureDescriptors(context, base);
}
}
public Class<?> getType(ELContext context, Object base, Object property) {
context.setPropertyResolved(false);
ELResolver delegate = getElResolverDelegate();
if(delegate == null) {
return null;
} else {
return delegate.getType(context, base, property);
}
}
public Object getValue(ELContext context, Object base, Object property) {
context.setPropertyResolved(false);
ELResolver delegate = getElResolverDelegate();
if(delegate == null) {
return null;
} else {
return delegate.getValue(context, base, property);
}
}
public boolean isReadOnly(ELContext context, Object base, Object property) {
context.setPropertyResolved(false);
ELResolver delegate = getElResolverDelegate();
if(delegate == null) {
return true;
} else {
return delegate.isReadOnly(context, base, property);
}
}
public void setValue(ELContext context, Object base, Object property, Object value) {
context.setPropertyResolved(false);
ELResolver delegate = getElResolverDelegate();
if(delegate != null) {
delegate.setValue(context, base, property, value);
}
}
public Object invoke(ELContext context, Object base, Object method, Class<?>[] paramTypes, Object[] params) {
context.setPropertyResolved(false);
ELResolver delegate = getElResolverDelegate();
if(delegate == null) {
return null;
} else {
return delegate.invoke(context, base, method, paramTypes, params);
}
}
}