com.sun.faces.facelets.el.TagMethodExpression Maven / Gradle / Ivy
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package com.sun.faces.facelets.el;
import javax.el.*;
import javax.faces.view.facelets.TagAttribute;
import java.io.Externalizable;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
/**
*
*
* @author Jacob Hookom
* @version $Id: TagMethodExpression.java 8641 2010-10-04 20:54:50Z edburns $
*/
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();
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
TagMethodExpression that = (TagMethodExpression) o;
if (attr != null ? !attr.equals(that.attr) : that.attr != null) {
return false;
}
if (orig != null ? !orig.equals(that.orig) : that.orig != null) {
return false;
}
return true;
}
@Override
public int hashCode() {
int result = attr != null ? attr.hashCode() : 0;
result = 31 * result + (orig != null ? orig.hashCode() : 0);
return result;
}
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;
}
}