2 ******************************************************************************
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3 * Copyright (C) 2007-2010, International Business Machines Corporation and *
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4 * others. All Rights Reserved. *
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5 ******************************************************************************
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8 package com.ibm.icu.impl.duration.impl;
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10 import java.io.IOException;
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11 import java.io.Writer;
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12 import java.util.ArrayList;
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13 import java.util.List;
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15 import com.ibm.icu.lang.UCharacter;
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17 public class XMLRecordWriter implements RecordWriter {
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19 private List<String> nameStack;
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21 public XMLRecordWriter(Writer w) {
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23 this.nameStack = new ArrayList<String>();
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26 public boolean open(String title) {
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28 writeString("<" + title + ">");
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29 nameStack.add(title);
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33 public boolean close() {
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34 int ix = nameStack.size() - 1;
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36 String name = nameStack.remove(ix);
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38 writeString("</" + name + ">");
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44 public void flush() {
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47 } catch (IOException e) {
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51 public void bool(String name, boolean value) {
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52 internalString(name, String.valueOf(value));
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55 public void boolArray(String name, boolean[] values) {
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56 if (values != null) {
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57 String[] stringValues = new String[values.length];
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58 for (int i = 0; i < values.length; ++i) {
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59 stringValues[i] = String.valueOf(values[i]);
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61 stringArray(name, stringValues);
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65 private static String ctos(char value) {
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72 return String.valueOf(value);
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75 public void character(String name, char value) {
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76 if (value != '\uffff') {
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77 internalString(name, ctos(value));
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81 public void characterArray(String name, char[] values) {
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82 if (values != null) {
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83 String[] stringValues = new String[values.length];
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84 for (int i = 0; i < values.length; ++i) {
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85 char value = values[i];
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86 if (value == '\uffff') {
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87 stringValues[i] = NULL_NAME;
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89 stringValues[i] = ctos(value);
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92 internalStringArray(name, stringValues);
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96 public void namedIndex(String name, String[] names, int value) {
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98 internalString(name, names[value]);
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102 public void namedIndexArray(String name, String[] names, byte[] values) {
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103 if (values != null) {
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104 String[] stringValues = new String[values.length];
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105 for (int i = 0; i < values.length; ++i) {
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106 int value = values[i];
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108 stringValues[i] = NULL_NAME;
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110 stringValues[i] = names[value];
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113 internalStringArray(name, stringValues);
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117 public static String normalize(String str) {
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121 StringBuilder sb = null;
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122 boolean inWhitespace = false;
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124 boolean special = false;
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125 for (int i = 0; i < str.length(); ++i) {
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127 if (UCharacter.isWhitespace(c)) {
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128 if (sb == null && (inWhitespace || c != ' ')) {
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129 sb = new StringBuilder(str.substring(0, i));
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131 if (inWhitespace) {
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134 inWhitespace = true;
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138 inWhitespace = false;
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139 special = c == '<' || c == '&';
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140 if (special && sb == null) {
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141 sb = new StringBuilder(str.substring(0, i));
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146 sb.append(c == '<' ? "<" : "&");
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154 * if (c == ' ') { int len = sb.length(); if (len == 0) { return
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155 * " "; } if (len > 1 && c == ' ') { sb.deleteCharAt(len - 1); } }
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157 return sb.toString();
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162 private void internalString(String name, String normalizedValue) {
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163 if (normalizedValue != null) {
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165 writeString("<" + name + ">" + normalizedValue + "</" + name + ">");
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169 private void internalStringArray(String name, String[] normalizedValues) {
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170 if (normalizedValues != null) {
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171 push(name + "List");
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172 for (int i = 0; i < normalizedValues.length; ++i) {
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173 String value = normalizedValues[i];
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174 if (value == null) {
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177 string(name, value);
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183 public void string(String name, String value) {
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184 internalString(name, normalize(value));
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187 public void stringArray(String name, String[] values) {
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188 if (values != null) {
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189 push(name + "List");
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190 for (int i = 0; i < values.length; ++i) {
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191 String value = normalize(values[i]);
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192 if (value == null) {
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195 internalString(name, value);
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201 public void stringTable(String name, String[][] values) {
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202 if (values != null) {
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203 push(name + "Table");
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204 for (int i = 0; i < values.length; ++i) {
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205 String[] rowValues = values[i];
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206 if (rowValues == null) {
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207 internalString(name + "List", NULL_NAME);
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209 stringArray(name, rowValues);
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216 private void push(String name) {
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218 writeString("<" + name + ">");
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219 nameStack.add(name);
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222 private void pop() {
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223 int ix = nameStack.size() - 1;
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224 String name = nameStack.remove(ix);
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226 writeString("</" + name + ">");
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229 private void newline() {
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231 for (int i = 0; i < nameStack.size(); ++i) {
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232 writeString(INDENT);
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236 private void writeString(String str) {
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240 } catch (IOException e) {
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241 // if there's a problem, record it and stop writing
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242 System.err.println(e.getMessage());
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248 static final String NULL_NAME = "Null";
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249 private static final String INDENT = " ";
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