/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.exoplatform.services.jcr.impl.core.query.misc;
import org.exoplatform.services.jcr.datamodel.QPath;
import javax.jcr.RepositoryException;
/**
* A MatchResult instance represents the result of matching a {@link Pattern} against
* a {@link QPath}.
*/
public class MatchResult
{
private final int pathLength;
private int matchPos;
private final int matchLength;
MatchResult(QPath path, int length)
{
this(path, 0, length);
}
MatchResult(QPath path, int pos, int length)
{
super();
this.matchPos = pos;
this.matchLength = length;
this.pathLength = path.getEntries().length;
}
/**
* Returns the remaining path after the matching part.
* @return The remaining path after the matching part such that the path constructed from
* {@link #getMatch()} followed by {@link #getRemainder()} is the original path or
* <code>null</code> if {@link #isFullMatch()} is <code>true</code>.
*/
public QPath getRemainder()
{
if (matchPos + matchLength >= pathLength)
{
return null;
}
else
{
try
{
throw new RepositoryException("Not implemented");
//return path.subPath(matchPos + matchLength, pathLength);
}
catch (RepositoryException e)
{
throw (IllegalStateException)new IllegalStateException("Path not normalized").initCause(e);
}
}
}
/**
* Returns the path which was matched by the {@link Pattern}.
* @return The path which was matched such that the path constructed from
* {@link #getMatch()} followed by {@link #getRemainder()} is the original path or
* <code>null</code> if {@link #getMatchLength()} is <code>0</code>.
*/
public QPath getMatch()
{
if (matchLength == 0)
{
return null;
}
else
{
try
{
//return path.subPath(matchPos, matchPos + matchLength);
throw new RepositoryException("Not implemented");
}
catch (RepositoryException e)
{
throw (IllegalStateException)new IllegalStateException("Path not normalized").initCause(e);
}
}
}
/**
* Returns the position of the match
* @return
*/
public int getMatchPos()
{
return matchPos;
}
/**
* Returns the number of elements which where matched by the {@link Pattern}.
* @return
*/
public int getMatchLength()
{
return matchLength;
}
/**
* Returns true if the {@link Pattern} matched anything or false otherwise.
* @return
*/
public boolean isMatch()
{
return matchLength > 0;
}
/**
* Returns true if the {@link Pattern} matched the whole {@link QPath}.
* @return
*/
public boolean isFullMatch()
{
return pathLength == matchLength;
}
MatchResult setPos(int matchPos)
{
this.matchPos = matchPos;
return this;
}
}