src/main/java/org/apache/sling/junit/impl/servlet/HtmlFilter.java

/*
 * 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.sling.junit.impl.servlet;

import java.io.PrintWriter;

/** Simple HTML output filtering */
public class HtmlFilter {
    static void escape(PrintWriter w, String str) {
        for(int i=0 ; i < str.length(); i++) {
            final char c = str.charAt(i);
            if(c == '<') {
                w.write("&lt;");
            } else if (c == '>') {
                w.write("&gt;");
            } else if(c == '&') {
                w.write("&amp;");
            } else {
                w.write(c);
            }
        }
    }
}