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| package org.apache.xindice.xml; |
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| import org.w3c.dom.Node; |
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| import org.w3c.dom.DOMException; |
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| import org.w3c.dom.Element; |
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| import org.w3c.dom.NamedNodeMap; |
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| import org.w3c.dom.Attr; |
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| import org.w3c.dom.ProcessingInstruction; |
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| import org.w3c.dom.NodeList; |
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| import org.apache.commons.logging.LogFactory; |
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| import org.apache.commons.logging.Log; |
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| import org.apache.xindice.util.StringUtilities; |
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| import org.apache.xindice.util.XMLUtilities; |
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| |
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| import java.io.BufferedWriter; |
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| import java.io.IOException; |
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| import java.io.OutputStream; |
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| import java.io.OutputStreamWriter; |
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| import java.io.StringWriter; |
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| import java.io.UnsupportedEncodingException; |
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| import java.io.Writer; |
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| public class Xml2HtmlWriter { |
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| private static final String indent = " "; |
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| private Node node = null; |
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| private static final Log log = LogFactory.getLog(Xml2HtmlWriter.class); |
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| |
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0
| public Xml2HtmlWriter(Node node) throws DOMException {
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| this.node = node;
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| } |
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| public void write(Writer writer) throws IOException {
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| write(node, writer);
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| } |
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| public void write(OutputStream output) throws IOException {
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| write(node, output);
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| } |
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| public String toString() {
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| return toString(node);
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| } |
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| private static void writeNode(Writer writer, Node node, int currentIndent) throws IOException {
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| short type = node.getNodeType();
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| |
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| switch (type) {
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| case Node.DOCUMENT_NODE: {
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| writeIndent(writer, currentIndent);
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| writer.write("<span class=\"xml-processing\"><?xml ");
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| writer.write(" version=\"1.0\"?></span><br />\n");
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| currentIndent--;
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| writeChildren(writer, node, currentIndent);
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| break;
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| } |
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| case Node.DOCUMENT_FRAGMENT_NODE: {
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| writeChildren(writer, node, currentIndent);
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| break;
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| } |
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| case Node.DOCUMENT_TYPE_NODE: {
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| break;
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| } |
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| |
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| case Node.ELEMENT_NODE: {
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| Element e = (Element) node;
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| String n = e.getTagName();
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| writeIndent(writer, currentIndent);
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| writer.write("<span class=\"xml-misc\"><</span>");
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| writer.write("<span class=\"xml-element-name\">");
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| writer.write(n);
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| writer.write("</span>");
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| NamedNodeMap a = e.getAttributes();
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| int size = a.getLength();
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| for (int i = 0; i < size; i++) {
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| Attr att = (Attr) a.item(i);
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| writer.write(' ');
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| writeNode(writer, att, currentIndent);
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| } |
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| if (e.hasChildNodes()) {
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| writer.write("<span class=\"xml-misc\">></span><br />\n");
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| writeChildren(writer, node, currentIndent);
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| writeIndent(writer, currentIndent);
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143 |
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| writer.write("<span class=\"xml-misc\"></</span>");
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144 |
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| writer.write("<span class=\"xml-element-name\">");
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| writer.write(n);
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| writer.write("</span><span class=\"xml-misc\">></span><br />\n");
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147 |
| } else { |
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| writer.write("<span class=\"xml-misc\"> /></span><br />\n");
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| } |
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| break;
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| } |
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0
| case Node.ATTRIBUTE_NODE: {
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| Attr a = (Attr) node;
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| writer.write("<span class=\"xml-attribute-name\">");
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156 |
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| writer.write(a.getName());
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157 |
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| writer.write("</span><span class=\"xml-misc\">=\"</span>");
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158 |
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| writer.write("<span class=\"xml-attribute-content\">");
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159 |
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| writeEscapedText(writer, XMLUtilities.escape(a.getValue()), currentIndent);
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| writer.write("</span><span class=\"xml-misc\">\"</span>");
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| break;
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| } |
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| case Node.ENTITY_REFERENCE_NODE: {
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| break;
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| } |
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| case Node.ENTITY_NODE: {
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| break;
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| } |
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| case Node.NOTATION_NODE: {
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| break;
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| } |
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0
| case Node.PROCESSING_INSTRUCTION_NODE: {
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| ProcessingInstruction pi = (ProcessingInstruction) node;
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| writeIndent(writer, currentIndent);
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179 |
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| writer.write("<span class=\"xml-processing\"><?");
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| writer.write(pi.getTarget());
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181 |
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| writer.write(" ");
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182 |
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| writer.write(pi.getData());
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183 |
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| writer.write("?></span><br />\n");
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184 |
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| break;
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185 |
| } |
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186 |
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187 |
0
| case Node.TEXT_NODE: {
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188 |
0
| if (!StringUtilities.isBlank(node.getNodeValue())) {
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189 |
0
| writeIndent(writer, currentIndent);
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190 |
0
| writer.write("<span class=\"xml-element-content\">");
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191 |
0
| writeEscapedText(writer, XMLUtilities.escape(node.getNodeValue().trim()), currentIndent);
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192 |
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| writer.write("</span><br />");
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193 |
| } |
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194 |
0
| break;
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195 |
| } |
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196 |
| |
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197 |
0
| case Node.CDATA_SECTION_NODE: {
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198 |
0
| writeIndent(writer, currentIndent);
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199 |
0
| writer.write("<span class=\"xml-cdata\"><![CDATA[");
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200 |
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| writeEscapedText(writer, node.getNodeValue(), currentIndent);
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201 |
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| writer.write("]]></span><br />");
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202 |
0
| break;
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203 |
| } |
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204 |
| |
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205 |
0
| case Node.COMMENT_NODE: {
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206 |
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| writeIndent(writer, currentIndent);
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207 |
0
| writer.write("<span class=\"xml-comment\"><!--");
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208 |
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| writeEscapedText(writer, node.getNodeValue(), currentIndent);
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209 |
0
| writer.write("--></span><br />");
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210 |
0
| break;
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211 |
| } |
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212 |
| } |
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213 |
| } |
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214 |
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219 |
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221 |
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222 |
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223 |
0
| private static void writeChildren(Writer writer, Node node, int currentIndent) throws IOException {
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224 |
0
| NodeList l = node.getChildNodes();
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225 |
0
| int size = l.getLength();
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226 |
0
| currentIndent++;
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227 |
0
| for (int i = 0; i < size; i++) {
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228 |
0
| writeNode(writer, l.item(i), currentIndent);
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229 |
| } |
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230 |
| } |
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231 |
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232 |
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233 |
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234 |
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235 |
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236 |
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237 |
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238 |
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239 |
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240 |
0
| private static void writeEscapedText(Writer writer, String text, int currentIndent) throws IOException {
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241 |
0
| char[] value = text.toCharArray();
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242 |
0
| String outval = null;
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243 |
0
| int start = 0;
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244 |
0
| int len = 0;
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245 |
0
| for (int i = 0; i < value.length; i++) {
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246 |
0
| switch (value[i]) {
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247 |
0
| case '&':
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248 |
0
| outval = "&";
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249 |
0
| break;
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250 |
0
| case '\'':
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251 |
0
| outval = "'";
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252 |
0
| break;
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253 |
0
| case '\"':
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254 |
0
| outval = """;
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255 |
0
| break;
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256 |
0
| case '<':
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257 |
0
| outval = "<";
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258 |
0
| break;
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259 |
0
| case '>' :
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260 |
0
| outval = ">";
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261 |
0
| break;
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262 |
0
| case '\n':
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263 |
| |
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264 |
| |
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265 |
0
| outval = "<br />";
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266 |
0
| for (int i1 = 0; i1 < currentIndent; i1++) {
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267 |
0
| outval += indent;
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|
268 |
| } |
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269 |
0
| break;
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270 |
0
| default:
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271 |
0
| len++;
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272 |
0
| break;
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|
273 |
| } |
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274 |
| |
|
275 |
0
| if (outval != null) {
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276 |
0
| if (len > 0) {
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277 |
0
| writer.write(value, start, len);
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|
278 |
| } |
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279 |
0
| writer.write(outval);
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280 |
0
| start = i + 1;
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281 |
0
| len = 0;
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282 |
0
| outval = null;
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283 |
| } |
|
284 |
| } |
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285 |
0
| if (len > 0) {
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286 |
0
| writer.write(value, start, len);
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|
287 |
| } |
|
288 |
| } |
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289 |
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290 |
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291 |
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292 |
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293 |
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294 |
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295 |
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296 |
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297 |
0
| private static void writeIndent(Writer writer, int currentIndent)
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298 |
| throws IOException { |
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299 |
0
| for (int i = 0; i < currentIndent; i++) {
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300 |
0
| writer.write(indent);
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301 |
| } |
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302 |
| } |
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303 |
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304 |
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305 |
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306 |
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307 |
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308 |
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309 |
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310 |
0
| public static void write(Node node, Writer writer) throws IOException {
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311 |
0
| BufferedWriter buf = new BufferedWriter(writer, 4096);
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312 |
0
| writeNode(buf, node, 0);
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313 |
0
| buf.flush();
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314 |
| } |
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315 |
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316 |
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317 |
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318 |
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319 |
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320 |
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321 |
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322 |
0
| public static void write(Node node, OutputStream output) throws IOException {
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323 |
0
| try {
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324 |
0
| OutputStreamWriter o = new OutputStreamWriter(output, "utf-8");
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325 |
0
| write(node, o);
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326 |
| } catch (UnsupportedEncodingException e) { |
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327 |
0
| log.error(e);
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328 |
| } |
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329 |
| } |
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330 |
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331 |
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332 |
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333 |
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334 |
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335 |
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336 |
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337 |
0
| public static String toString(Node node) {
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338 |
0
| StringWriter sw = new StringWriter();
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339 |
0
| try {
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340 |
0
| write(node, sw);
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341 |
0
| return sw.toString();
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342 |
| } catch (IOException e) { |
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343 |
0
| log.error(e);
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344 |
0
| return null;
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|
345 |
| } |
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346 |
| } |
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347 |
| |
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348 |
| } |