org.openmdx.base.query.spi.RegularExpressionPattern Maven / Gradle / Ivy
/*
* ====================================================================
* Project: openMDX, http://www.openmdx.org/
* Description: RegularExpressionPattern
* Owner: OMEX AG, Switzerland, http://www.omex.ch
* ====================================================================
*
* This software is published under the BSD license as listed below.
*
* Copyright (c) 2016, OMEX AG, Switzerland
* 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 openMDX team 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
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* ------------------
*
* This product includes or is based on software developed by other
* organizations as listed in the NOTICE file.
*/
package org.openmdx.base.query.spi;
import java.util.EnumSet;
import java.util.regex.Pattern;
import org.openmdx.base.query.spi.EmbeddedFlags.FlagsAndValue;
import org.w3c.cci2.RegularExpressionFlag;
/**
* Regular expression pattern implementation.
*
*/
class RegularExpressionPattern extends AbstractPattern {
/**
* Constructor
*
* @param pattern
* @param flags
*/
protected RegularExpressionPattern(
String pattern,
EnumSet flagSet
) {
this.pattern = pattern;
this.compiledExpression = Pattern.compile(pattern, RegularExpressionFlag.toFlags(flagSet));
}
static AbstractPattern newInstance(
final FlagsAndValue flagsAndValue
) {
return new RegularExpressionPattern(flagsAndValue.getValue(), flagsAndValue.getFlagSet());
}
/**
* Implements Serializable
*/
private static final long serialVersionUID = 1340205266230718256L;
private final Pattern compiledExpression;
private final String pattern;
public boolean matches(String source) {
return this.compiledExpression.matcher(source).matches();
}
public String pattern() {
return this.pattern;
}
@Override
public String toString(
) {
return this.compiledExpression.toString();
}
}