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Commons Digester example source code file (SubstituteTransform.java)
The Commons Digester SubstituteTransform.java source code/* * 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. */ import org.apache.commons.digester.Digester; /** * An implementation of the Transform interface which replaces all occurrences * of a specified string with a different string. * <p> * Because this class wishes to configure instances via nested "from" and * "to" tags, it needs to define an addRules method to add rules to the * Digester dynamically. Note that there are different ways of defining the * rules though; for example they can be defined in a separate * SubstituteTransformRuleInfo class. */ public class SubstituteTransform implements Transform { private String from; private String to; public void setFrom(String from) { this.from = from; } public void setTo(String to) { this.to = to; } public String transform(String s) { StringBuffer buf = new StringBuffer(s); while (true) { int idx = buf.indexOf(from); if (idx == -1) break; StringBuffer buf2 = buf.replace(idx, idx+from.length(), to); } return buf.toString(); } public static void addRules(Digester d, String patternPrefix) { d.addCallMethod(patternPrefix+"/from", "setFrom", 0); d.addCallMethod(patternPrefix+"/to", "setTo", 0); } } Other Commons Digester examples (source code examples)Here is a short list of links related to this Commons Digester SubstituteTransform.java source code file: |
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