// License: GPL. For details, see LICENSE file. package org.openstreetmap.josm.io; import java.io.Closeable; import java.io.IOException; import java.io.PrintWriter; import java.util.HashMap; import java.util.Map; /** * Helper class to use for xml outputting classes. * * @author imi */ public class XmlWriter implements Closeable { protected final PrintWriter out; public XmlWriter(PrintWriter out) { this.out = out; } /** * Flushes the stream. */ public void flush() { if (out != null) { out.flush(); } } public static String encode(String unencoded) { return encode(unencoded, false); } /** * Encode the given string in XML1.0 format. * Optimized to fast pass strings that don't need encoding (normal case). * * @param unencoded the unencoded input string * @param keepApos true if apostrophe sign should stay as it is (in order to work around * a Java bug that renders * new JLabel("'") * literally as 6 character string, see #7558) */ public static String encode(String unencoded, boolean keepApos) { StringBuilder buffer = null; for (int i = 0; i < unencoded.length(); ++i) { String encS = null; if (!keepApos || unencoded.charAt(i) != '\'') { encS = XmlWriter.encoding.get(unencoded.charAt(i)); } if (encS != null) { if (buffer == null) { buffer = new StringBuilder(unencoded.substring(0,i)); } buffer.append(encS); } else if (buffer != null) { buffer.append(unencoded.charAt(i)); } } return (buffer == null) ? unencoded : buffer.toString(); } /** * The output writer to save the values to. */ private static final Map encoding = new HashMap(); static { encoding.put('<', "<"); encoding.put('>', ">"); encoding.put('"', """); encoding.put('\'', "'"); encoding.put('&', "&"); encoding.put('\n', " "); encoding.put('\r', " "); encoding.put('\t', " "); } @Override public void close() throws IOException { if (out != null) { out.close(); } } }