org.openmdx.base.query.spi.AbstractPattern Maven / Gradle / Ivy
/*
* ====================================================================
* Project: openMDX, http://www.openmdx.org/
* Description: Pattern
* Owner: OMEX AG, Switzerland, http://www.omex.ch
* ====================================================================
*
* This software is published under the BSD license as listed below.
*
* Copyright (c) 2004-2013, OMEX AG, Switzerland
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
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*
* * 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
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* distribution.
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* * Neither the name of the openMDX team nor the names of its
* contributors may be used to endorse or promote products derived
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*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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*
* ------------------
*
* This product includes software developed by other organizations as
* listed in the NOTICE file.
*/
package org.openmdx.base.query.spi;
import java.io.Serializable;
import org.openmdx.base.naming.Path;
import org.openmdx.kernel.xri.XRI_1Protocols;
import org.w3c.cci2.RegularExpressionFlag;
/**
* Pattern interface
*
* Instances of this class are immutable and are safe for use by
* multiple concurrent threads.
*/
public abstract class AbstractPattern implements Serializable {
/**
* Implements Serializable
*/
private static final long serialVersionUID = 5177895128844669908L;
/**
* Attempts to match the given input against the pattern
*
* @param input
*
* @return true if the input mtaches the pattern
*/
public abstract boolean matches (
String input
);
/**
* Returns the expression from which this pattern was compiled.
*
* @return The source of this pattern
*/
public abstract String pattern();
/**
* Creates a new pattern
*
* @param value
*
* @return the corresponding pattern
*/
public static AbstractPattern newInstance(Object value) {
return value instanceof Path ? PathPattern.newInstance((Path)value) : newInstance((String)value);
}
/**
* Creates a new pattern
*
* @param valueWithEmbeddedFlags
*
* @return the corresponding pattern
*/
private static AbstractPattern newInstance(String valueWithEmbeddedFlags) {
if(valueWithEmbeddedFlags.startsWith(XRI_1Protocols.OPENMDX_PREFIX)) {
return PathPattern.newInstance(valueWithEmbeddedFlags);
} else {
final EmbeddedFlags.FlagsAndValue flagsAndValue = EmbeddedFlags.getInstance().parse(valueWithEmbeddedFlags);
if(flagsAndValue.getFlagSet().contains(RegularExpressionFlag.ACCENT_INSENSITIVE)){
return AccentInsensitivePattern.newInstance(flagsAndValue);
} else if(flagsAndValue.getFlagSet().contains(RegularExpressionFlag.JSON_QUERY)) {
return JsonQueryPattern.newInstance(flagsAndValue);
} else {
return RegularExpressionPattern.newInstance(flagsAndValue);
}
}
}
}