/**
* Licensed under the Common Development and Distribution License,
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.sun.com/cddl/
*
* 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 com.sun.facelets.el;
import java.io.Externalizable;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
import javax.el.ELContext;
import javax.el.ELException;
import javax.el.MethodExpression;
import javax.el.MethodInfo;
import javax.el.MethodNotFoundException;
import javax.el.PropertyNotFoundException;
import com.sun.facelets.tag.TagAttribute;
/**
*
*
* @author Jacob Hookom
* @version $Id: TagMethodExpression.java,v 1.6 2005/08/24 04:38:57 jhook Exp $
*/
public final class TagMethodExpression extends MethodExpression implements
Externalizable {
private static final long serialVersionUID = 1L;
private String attr;
private MethodExpression orig;
public TagMethodExpression() {
super();
}
public TagMethodExpression(TagAttribute attr, MethodExpression orig) {
this.attr = attr.toString();
this.orig = orig;
}
public MethodInfo getMethodInfo(ELContext context) {
try {
return this.orig.getMethodInfo(context);
} catch (PropertyNotFoundException pnfe) {
throw new PropertyNotFoundException(this.attr + ": " + pnfe.getMessage(), pnfe.getCause());
} catch (MethodNotFoundException mnfe) {
throw new MethodNotFoundException(this.attr + ": " + mnfe.getMessage(), mnfe.getCause());
} catch (ELException e) {
throw new ELException(this.attr + ": " + e.getMessage(), e.getCause());
}
}
public Object invoke(ELContext context, Object[] params) {
try {
return this.orig.invoke(context, params);
} catch (PropertyNotFoundException pnfe) {
throw new PropertyNotFoundException(this.attr + ": " + pnfe.getMessage(), pnfe.getCause());
} catch (MethodNotFoundException mnfe) {
throw new MethodNotFoundException(this.attr + ": " + mnfe.getMessage(), mnfe.getCause());
} catch (ELException e) {
throw new ELException(this.attr + ": " + e.getMessage(), e.getCause());
}
}
public String getExpressionString() {
return this.orig.getExpressionString();
}
public boolean equals(Object obj) {
return this.orig.equals(obj);
}
public int hashCode() {
return this.orig.hashCode();
}
public boolean isLiteralText() {
return this.orig.isLiteralText();
}
public void writeExternal(ObjectOutput out) throws IOException {
out.writeObject(this.orig);
out.writeUTF(this.attr);
}
public void readExternal(ObjectInput in) throws IOException,
ClassNotFoundException {
this.orig = (MethodExpression) in.readObject();
this.attr = in.readUTF();
}
public String toString() {
return this.attr + ": " + this.orig;
}
}