FileDocCategorySizeDatePackage
Entities.javaAPI DocApache Lucene 2.1.08751Wed Feb 14 10:46:42 GMT 2007org.apache.lucene.demo.html

Entities

public class Entities extends Object
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.

Fields Summary
static final Hashtable
decoder
static final String[]
encoder
Constructors Summary
Methods Summary
static final voidadd(java.lang.String entity, int value)

    decoder.put(entity, (new Character((char)value)).toString());
    if (value < 0x100)
      encoder[value] = entity;
static final java.lang.Stringdecode(java.lang.String entity)


       
    if (entity.charAt(entity.length()-1) == ';")  // remove trailing semicolon
      entity = entity.substring(0, entity.length()-1);
    if (entity.charAt(1) == '#") {
      int start = 2;
      int radix = 10;
      if (entity.charAt(2) == 'X" || entity.charAt(2) == 'x") {
	start++;
	radix = 16;
      }
      Character c =
	new Character((char)Integer.parseInt(entity.substring(start), radix));
      return c.toString();
    } else {
      String s = (String)decoder.get(entity);
      if (s != null)
	return s;
      else return "";
    }
public static final java.lang.Stringencode(java.lang.String s)

    int length = s.length();
    StringBuffer buffer = new StringBuffer(length * 2);
    for (int i = 0; i < length; i++) {
      char c = s.charAt(i);
      int j = (int)c;
      if (j < 0x100 && encoder[j] != null) {
	buffer.append(encoder[j]);		  // have a named encoding
	buffer.append(';");
      } else if (j < 0x80) {
	buffer.append(c);			  // use ASCII value
      } else {
	buffer.append("&#");			  // use numeric encoding
	buffer.append((int)c);
	buffer.append(';");
      }
    }
    return buffer.toString();