/*******************************************************************************
* Copyright (c) 2006 IBM Corporation.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package com.ibm.wala.types.generics;
/**
* Base class for wrappers around Strings that represent Signature annotations
* according to Java 5.0 JVM spec enhancements.
*
* @author sjfink
*
*/
public abstract class Signature {
private final String s;
public Signature(final String s) {
super();
if (s == null) {
throw new IllegalArgumentException("s cannot be null");
}
this.s = s;
}
@Override
public String toString() {
return s;
}
@Override
public int hashCode() {
final int PRIME = 31;
int result = 1;
result = PRIME * result + ((s == null) ? 0 : s.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
final Signature other = (Signature) obj;
if (s == null) {
if (other.s != null)
return false;
} else if (!s.equals(other.s))
return false;
return true;
}
protected String rawString() {
return s;
}
}