org.codehaus.mojo.animal_sniffer.Clazz Maven / Gradle / Ivy
package org.codehaus.mojo.animal_sniffer;
/*
* The MIT License
*
* Copyright (c) 2008 Kohsuke Kawaguchi and codehaus.org.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
*/
import java.io.Serializable;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Objects;
import java.util.Set;
/**
* Represents a class signature.
*
* @author Kohsuke Kawaguchi
*/
public final class Clazz
implements Serializable
{
/**
* The name of the class.
*/
private final String name;
/**
* The set of methods and constants that form the signature of the class.
*/
private final Set signatures;
/**
* The superclass of the class.
*/
private final String superClass;
/**
* The list of interfaces implemented by the class.
*/
private final String[] superInterfaces;
/**
* Creates a new class signature.
*
* @param name the name of the class.
* @param signatures the signatures.
* @param superClass the superclass.
* @param superInterfaces the interfaces implemented by the class.
*/
public Clazz( String name, Set signatures, String superClass, String[] superInterfaces )
{
this.name = name;
this.signatures = signatures;
this.superClass = superClass;
this.superInterfaces = (String[]) superInterfaces.clone();
}
/**
* Merges two class instances.
*
* @param defA the first instance.
* @param defB the second instance
* @throws ClassCastException if the two instances have different names or if the superclasses differ.
*/
public Clazz( Clazz defA, Clazz defB )
{
if ( !Objects.equals(defA.name, defB.name ) )
{
// nothing we can do... this is an invalid argument
throw new ClassCastException( "Cannot merge different classes: " + defA.name + " and " + defB.name );
}
if ( !Objects.equals(defA.superClass, defB.superClass ) )
{
// nothing we can do... this is a breaking change
throw new ClassCastException( "Cannot merger class " + defB.name + " as it has changed superclass:" );
}
Set superInterfaces = new HashSet();
if ( defA.superInterfaces != null )
{
superInterfaces.addAll( Arrays.asList( defA.superInterfaces ) );
}
if ( defB.superInterfaces != null )
{
superInterfaces.addAll( Arrays.asList( defB.superInterfaces ) );
}
Set signatures = new HashSet();
signatures.addAll( defA.signatures );
signatures.addAll( defB.signatures );
this.name = defA.getName();
this.signatures = signatures;
this.superClass = defA.superClass;
this.superInterfaces = (String[]) superInterfaces.toArray( new String[superInterfaces.size()] );
}
public String getName()
{
return name;
}
public Set getSignatures()
{
return signatures;
}
public String getSuperClass()
{
return superClass;
}
public String[] getSuperInterfaces()
{
return superInterfaces;
}
private static final long serialVersionUID = 1L;
}