/*
* Copyright 2013, 2014 Deutsche Nationalbibliothek
*
* Licensed 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.culturegraph.mf.strings;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.culturegraph.mf.framework.FluxCommand;
import org.culturegraph.mf.framework.ObjectReceiver;
import org.culturegraph.mf.framework.annotations.Description;
import org.culturegraph.mf.framework.annotations.In;
import org.culturegraph.mf.framework.annotations.Out;
import org.culturegraph.mf.framework.helpers.DefaultObjectPipe;
/**
* Matches the incoming strings against a regular expression and replaces
* the matching parts.
*
* @author Christoph Böhme
*/
@Description("Matches the incoming strings against a regular expression and replaces the matching parts.")
@In(String.class)
@Out(String.class)
@FluxCommand("match")
public final class StringMatcher extends
DefaultObjectPipe<String, ObjectReceiver<String>> {
private Matcher matcher;
private String replacement;
public String getPattern() {
return matcher.pattern().pattern();
}
public void setPattern(final String pattern) {
this.matcher = Pattern.compile(pattern).matcher("");
}
public String getReplacement() {
return replacement;
}
public void setReplacement(final String replacement) {
this.replacement = replacement;
}
@Override
public void process(final String obj) {
assert !isClosed();
assert null!=obj;
matcher.reset(obj);
getReceiver().process(matcher.replaceAll(replacement));
}
}