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/*
* 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.apache.tools.ant.taskdefs.condition;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.ProjectComponent;
import org.apache.tools.ant.types.RegularExpression;
import org.apache.tools.ant.util.regexp.Regexp;
import org.apache.tools.ant.util.regexp.RegexpUtil;
/**
* Simple regular expression condition.
*
* @since Ant 1.7
*/
public class Matches extends ProjectComponent implements Condition {
private String string;
private boolean caseSensitive = true;
private boolean multiLine = false;
private boolean singleLine = false;
private RegularExpression regularExpression;
/**
* Set the string
*
* @param string the string to match
*/
public void setString(String string) {
this.string = string;
}
/**
* Set the regular expression to match against
*
* @param pattern the regular expression pattern
*/
public void setPattern(String pattern) {
if (regularExpression != null) {
throw new BuildException(
"Only one regular expression is allowed.");
}
regularExpression = new RegularExpression();
regularExpression.setPattern(pattern);
}
/**
* A regular expression.
* You can use this element to refer to a previously
* defined regular expression datatype instance
* @param regularExpression the regular expression object
* to be configured as an element
*/
public void addRegexp(RegularExpression regularExpression) {
if (this.regularExpression != null) {
throw new BuildException(
"Only one regular expression is allowed.");
}
this.regularExpression = regularExpression;
}
/**
* Whether to ignore case or not.
* @param b if false, ignore case.
* @since Ant 1.7
*/
public void setCasesensitive(boolean b) {
caseSensitive = b;
}
/**
* Whether to match should be multiline.
* @param b the value to set.
*/
public void setMultiline(boolean b) {
multiLine = b;
}
/**
* Whether to treat input as singleline ('.' matches newline).
* Corresponds to java.util.regex.Pattern.DOTALL.
* @param b the value to set.
*/
public void setSingleLine(boolean b) {
singleLine = b;
}
/**
* @return true if the string matches the regular expression pattern
* @exception BuildException if the attributes are not set correctly
*/
public boolean eval() throws BuildException {
if (string == null) {
throw new BuildException(
"Parameter string is required in matches.");
}
if (regularExpression == null) {
throw new BuildException("Missing pattern in matches.");
}
int options = RegexpUtil.asOptions(caseSensitive, multiLine, singleLine);
Regexp regexp = regularExpression.getRegexp(getProject());
return regexp.matches(string, options);
}
}
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