/*
* Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org>
* and other copyright owners as documented in the project's IP log.
*
* This program and the accompanying materials are made available
* under the terms of the Eclipse Distribution License v1.0 which
* accompanies this distribution, is reproduced below, and is
* available at http://www.eclipse.org/org/documents/edl-v10.php
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* - Neither the name of the Eclipse Foundation, Inc. nor the
* names of its contributors may be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.eclipse.jgit.revwalk.filter;
import java.io.IOException;
import org.eclipse.jgit.errors.IncorrectObjectTypeException;
import org.eclipse.jgit.errors.MissingObjectException;
import org.eclipse.jgit.revwalk.RevCommit;
import org.eclipse.jgit.revwalk.RevFlag;
import org.eclipse.jgit.revwalk.RevFlagSet;
import org.eclipse.jgit.revwalk.RevWalk;
/** Matches only commits with some/all RevFlags already set. */
public abstract class RevFlagFilter extends RevFilter {
/**
* Create a new filter that tests for a single flag.
*
* @param a
* the flag to test.
* @return filter that selects only commits with flag <code>a</code>.
*/
public static RevFilter has(final RevFlag a) {
final RevFlagSet s = new RevFlagSet();
s.add(a);
return new HasAll(s);
}
/**
* Create a new filter that tests all flags in a set.
*
* @param a
* set of flags to test.
* @return filter that selects only commits with all flags in <code>a</code>.
*/
public static RevFilter hasAll(final RevFlag... a) {
final RevFlagSet set = new RevFlagSet();
for (final RevFlag flag : a)
set.add(flag);
return new HasAll(set);
}
/**
* Create a new filter that tests all flags in a set.
*
* @param a
* set of flags to test.
* @return filter that selects only commits with all flags in <code>a</code>.
*/
public static RevFilter hasAll(final RevFlagSet a) {
return new HasAll(new RevFlagSet(a));
}
/**
* Create a new filter that tests for any flag in a set.
*
* @param a
* set of flags to test.
* @return filter that selects only commits with any flag in <code>a</code>.
*/
public static RevFilter hasAny(final RevFlag... a) {
final RevFlagSet set = new RevFlagSet();
for (final RevFlag flag : a)
set.add(flag);
return new HasAny(set);
}
/**
* Create a new filter that tests for any flag in a set.
*
* @param a
* set of flags to test.
* @return filter that selects only commits with any flag in <code>a</code>.
*/
public static RevFilter hasAny(final RevFlagSet a) {
return new HasAny(new RevFlagSet(a));
}
final RevFlagSet flags;
RevFlagFilter(final RevFlagSet m) {
flags = m;
}
@Override
public RevFilter clone() {
return this;
}
@Override
public String toString() {
return super.toString() + flags;
}
private static class HasAll extends RevFlagFilter {
HasAll(final RevFlagSet m) {
super(m);
}
@Override
public boolean include(final RevWalk walker, final RevCommit c)
throws MissingObjectException, IncorrectObjectTypeException,
IOException {
return c.hasAll(flags);
}
}
private static class HasAny extends RevFlagFilter {
HasAny(final RevFlagSet m) {
super(m);
}
@Override
public boolean include(final RevWalk walker, final RevCommit c)
throws MissingObjectException, IncorrectObjectTypeException,
IOException {
return c.hasAny(flags);
}
}
}