/*
* JBoss, Home of Professional Open Source
* Copyright 2006, JBoss Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.reflect.plugins.javassist;
import java.util.Arrays;
import org.jboss.reflect.spi.TypeInfo;
import org.jboss.util.JBossStringBuilder;
/**
* SignatureKey.
*
* @author <a href="adrian@jboss.com">Adrian Brock</a>
* @version $Revision: 58766 $
*/
class SignatureKey
{
/** The name */
String name;
/** The parameter names */
String[] params;
/** The cached hashcode */
private transient int cachedHashCode = Integer.MIN_VALUE;
/**
* Create a new SignatureKey.
*
* @param name the name
* @param typeInfos the type infos
*/
public SignatureKey(String name, TypeInfo[] typeInfos)
{
this.name = name;
if (typeInfos != null && typeInfos.length > 0)
{
params = new String[typeInfos.length];
for (int i = 0; i < typeInfos.length; ++i)
params[i] = typeInfos[i].getName();
}
}
/**
* Create a new SignatureKey.
*
* @param name the name
* @param params the params
*/
public SignatureKey(String name, String[] params)
{
this.name = name;
if (params != null && params.length > 0)
this.params = params;
}
public boolean equals(Object obj)
{
if (obj == this)
return true;
if (obj == null || obj instanceof SignatureKey == false)
return false;
SignatureKey other = (SignatureKey) obj;
if (name == null && other.name != null)
return false;
if (name != null && other.name == null)
return false;
if (name != null && name.equals(other.name) == false)
return false;
if (params == null && other.params == null)
return true;
if (params == null && other.params != null)
return false;
if (params != null && other.params == null)
return false;
if (params.length != other.params.length)
return false;
for (int i = 0; i < params.length; ++i)
{
if (params[i].equals(other.params[i]) == false)
return false;
}
return true;
}
public int hashCode()
{
if (cachedHashCode == Integer.MIN_VALUE)
{
JBossStringBuilder builder = new JBossStringBuilder();
if (name != null)
builder.append(name);
if (params != null)
{
for (int i = 0; i < params.length; ++i)
builder.append(params[i]);
}
cachedHashCode = builder.toString().hashCode();
}
return cachedHashCode;
}
public String toString()
{
if (params == null)
return name + "[]";
return name + Arrays.asList(params);
}
}