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/**
* Copyright 2012-2014 Julien Eluard and contributors
* This project includes software developed by Julien Eluard: https://github.com/jeluard/
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* 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 org.osjava.jardiff;
/**
* An interface for classes which wish to receive information about
* differences in class files between two different jar file version to
* implement.
*
* @author <a href="mailto:antony@cyberiantiger.org">Antony Riley</a>
*/
public interface DiffHandler
{
/**
* Start a diff between two versions, where string a is the old version
* and string b is the new version.
*
* @param a the name of the old version
* @param b the name of the new version
* @throws DiffException when there is an underlying exception, e.g.
* writing to a file caused an IOException
*/
public void startDiff(String a, String b)
throws DiffException;
/**
* Start the list of old contents.
*
* @throws DiffException when there is an underlying exception, e.g.
* writing to a file caused an IOException
*/
public void startOldContents() throws DiffException;
/**
* Start the list of new contents.
*
* @throws DiffException when there is an underlying exception, e.g.
* writing to a file caused an IOException
*/
public void startNewContents() throws DiffException;
/**
* Add a contained class.
*
* @param info information about a class
* @throws DiffException when there is an underlying exception, e.g.
* writing to a file caused an IOException
*/
public void contains(ClassInfo info) throws DiffException;
/**
* End the list of old contents.
*
* @throws DiffException when there is an underlying exception, e.g.
* writing to a file caused an IOException
*/
public void endOldContents() throws DiffException;
/**
* End the list of new contents.
*
* @throws DiffException when there is an underlying exception, e.g.
* writing to a file caused an IOException
*/
public void endNewContents() throws DiffException;
/**
* Start the list of removed classes.
*
* @throws DiffException when there is an underlying exception, e.g.
* writing to a file caused an IOException
*/
public void startRemoved() throws DiffException;
/**
* Notification that a class was removed.
*
* @param classinfo information about the class that has been removed.
* @throws DiffException when there is an underlying exception, e.g.
* writing to a file caused an IOException
*/
public void classRemoved(ClassInfo classinfo) throws DiffException;
/**
* End of list of removed classes.
*
* @throws DiffException when there is an underlying exception, e.g.
* writing to a file caused an IOException
*/
public void endRemoved() throws DiffException;
/**
* Start of list of added classes.
*
* @throws DiffException when there is an underlying exception, e.g.
* writing to a file caused an IOException
*/
public void startAdded() throws DiffException;
/**
* Notification that a class was added.
*
* @param classinfo information about the class that has been removed.
* @throws DiffException when there is an underlying exception, e.g.
* writing to a file caused an IOException
*/
public void classAdded(ClassInfo classinfo) throws DiffException;
/**
* End of list of removed classes.
*
* @throws DiffException when there is an underlying exception, e.g.
* writing to a file caused an IOException
*/
public void endAdded() throws DiffException;
/**
* Start list of changed classes.
*
* @throws DiffException when there is an underlying exception, e.g.
* writing to a file caused an IOException
*/
public void startChanged() throws DiffException;
/**
* Start information about class changes for the classname passed.
*
* @throws DiffException when there is an underlying exception, e.g.
* writing to a file caused an IOException
*/
public void startClassChanged(String string) throws DiffException;
/**
* The field was removed for the current class that has changed.
*
* @param fieldinfo Information about the field removed.
* @throws DiffException when there is an underlying exception, e.g.
* writing to a file caused an IOException
*/
public void fieldRemoved(FieldInfo fieldinfo) throws DiffException;
/**
* The method was removed for the current class that has changed.
*
* @param methodinfo Information about the method removed.
* @throws DiffException when there is an underlying exception, e.g.
* writing to a file caused an IOException
*/
public void methodRemoved(MethodInfo methodinfo) throws DiffException;
/**
* The field was added for the current class that has changed.
*
* @param fieldinfo Information about the field added.
* @throws DiffException when there is an underlying exception, e.g.
* writing to a file caused an IOException
*/
public void fieldAdded(FieldInfo fieldinfo) throws DiffException;
/**
* The method was added for the current class that has changed.
*
* @param methodinfo Information about the method added.
* @throws DiffException when there is an underlying exception, e.g.
* writing to a file caused an IOException
*/
public void methodAdded(MethodInfo methodinfo) throws DiffException;
/**
* The current class has changed.
* This is called when a class's interfaces or superclass or access
* flags have changed.
*
* @param oldClassinfo Information about the old class.
* @param newClassinfo Information about the new class.
* @throws DiffException when there is an underlying exception, e.g.
* writing to a file caused an IOException
*/
public void classChanged(ClassInfo oldClassinfo, ClassInfo newClassinfo)
throws DiffException;
/**
* A field on the current class has changed.
*
* @param oldFieldinfo Information about the old field.
* @param newFieldinfo Information about the new field.
* @throws DiffException when there is an underlying exception, e.g.
* writing to a file caused an IOException
*/
public void fieldChanged(FieldInfo oldFieldinfo, FieldInfo newFieldinfo)
throws DiffException;
/**
* A method on the current class has changed.
*
* @param oldMethodInfo Information about the old method.
* @param newMethodInfo Information about the new method.
* @throws DiffException when there is an underlying exception, e.g.
* writing to a file caused an IOException
*/
public void methodChanged
(MethodInfo oldMethodInfo, MethodInfo newMethodInfo) throws DiffException;
/**
* End of changes for the current class.
*
* @throws DiffException when there is an underlying exception, e.g.
* writing to a file caused an IOException
*/
public void endClassChanged() throws DiffException;
/**
* End of class changes.
*
* @throws DiffException when there is an underlying exception, e.g.
* writing to a file caused an IOException
*/
public void endChanged() throws DiffException;
/**
* End of the diff.
*
* @throws DiffException when there is an underlying exception, e.g.
* writing to a file caused an IOException
*/
public void endDiff() throws DiffException;
}
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