我的毕业设计《Android平台校园消息推送服务的设计与实现》.zip

package org.jivesoftware.util; import org.dom4j.*; import org.dom4j.io.OutputFormat; import org.dom4j.tree.NamespaceStack; import org.xml.sax.*; import org.xml.sax.ext.LexicalHandler; import org.xml.sax.helpers.XMLFilterImpl; import java.io.*; import java.util.*; /** * Replacement class of the original XMLWriter.java (version: 1.77) since the original is still * using StringBuffer which is not fast. */ public class XMLWriter extends XMLFilterImpl implements LexicalHandler { private static final String PAD_TEXT = " "; protected static final String[] LEXICAL_HANDLER_NAMES = { "http://xml.org/sax/properties/lexical-handler", "http://xml.org/sax/handlers/LexicalHandler" }; protected static final OutputFormat DEFAULT_FORMAT = new OutputFormat(); /** Should entityRefs by resolved when writing ? */ private boolean resolveEntityRefs = true; /** Stores the last type of node written so algorithms can refer to the * previous node type */ protected int lastOutputNodeType; /** Stores the xml:space attribute value of preserve for whitespace flag */ protected boolean preserve=false; /** The Writer used to output to */ protected Writer writer; /** The Stack of namespaceStack written so far */ private NamespaceStack namespaceStack = new NamespaceStack(); /** The format used by this writer */ private OutputFormat format; /** whether we should escape text */ private boolean escapeText = true; /** The initial number of indentations (so you can print a whole document indented, if you like) **/ private int indentLevel = 0; /** buffer used when escaping strings */ private StringBuilder buffer = new StringBuilder(); /** whether we have added characters before from the same chunk of characters */ private boolean charactersAdded = false; private char lastChar; /** Whether a flush should occur after writing a document */ private boolean autoFlush; /** Lexical handler we should delegate to */ private LexicalHandler lexicalHandler; /** Whether comments should appear inside DTD declarations - defaults to false */ private boolean showCommentsInDTDs; /** Is the writer curerntly inside a DTD definition? */ private boolean inDTD; /** The namespaces used for the current element when consuming SAX events */ private Map namespacesMap; /** * what is the maximum allowed character code * such as 127 in US-ASCII (7 bit) or 255 in ISO-* (8 bit) * or -1 to not escape any characters (other than the special XML characters like < > &) */ private int maximumAllowedCharacter; public XMLWriter(Writer writer) { this( writer, DEFAULT_FORMAT ); } public XMLWriter(Writer writer, OutputFormat format) { this.writer = writer; this.format = format; namespaceStack.push(Namespace.NO_NAMESPACE); } public XMLWriter() throws UnsupportedEncodingException { this.format = DEFAULT_FORMAT; this.writer = new BufferedWriter( new OutputStreamWriter( System.out, "UTF-8" ) ); this.autoFlush = true; namespaceStack.push(Namespace.NO_NAMESPACE); } public XMLWriter(OutputStream out) throws UnsupportedEncodingException { this.format = DEFAULT_FORMAT; this.writer = createWriter(out, format.getEncoding()); this.autoFlush = true; namespaceStack.push(Namespace.NO_NAMESPACE); } public XMLWriter(OutputStream out, OutputFormat format) throws UnsupportedEncodingException { this.format = format; this.writer = createWriter(out, format.getEncoding()); this.autoFlush = true; namespaceStack.push(Namespace.NO_NAMESPACE); } public XMLWriter(OutputFormat format) throws UnsupportedEncodingException { this.format = format; this.writer = createWriter( System.out, format.getEncoding() ); this.autoFlush = true; namespaceStack.push(Namespace.NO_NAMESPACE); } public void setWriter(Writer writer) { this.writer = writer; this.autoFlush = false; } public void setOutputStream(OutputStream out) throws UnsupportedEncodingException { this.writer = createWriter(out, format.getEncoding()); this.autoFlush = true; } /** * @return true if text thats output should be escaped. * This is enabled by default. It could be disabled if * the output format is textual, like in XSLT where we can have * xml, html or text output. */ public boolean isEscapeText() { return escapeText; } /** * Sets whether text output should be escaped or not. * This is enabled by default. It could be disabled if * the output format is textual, like in XSLT where we can have * xml, html or text output. */ public void setEscapeText(boolean escapeText) { this.escapeText = escapeText; } /** Set the initial indentation level. This can be used to output * a document (or, more likely, an element) starting at a given * indent level, so it's not always flush against the left margin. * Default: 0 * * @param indentLevel the number of indents to start with */ public void setIndentLevel(int indentLevel) { this.indentLevel = indentLevel; } /** * Returns the maximum allowed character code that should be allowed * unescaped which defaults to 127 in US-ASCII (7 bit) or * 255 in ISO-* (8 bit). */ public int getMaximumAllowedCharacter() { if (maximumAllowedCharacter == 0) { maximumAllowedCharacter = defaultMaximumAllowedCharacter(); } return maximumAllowedCharacter; } /** * Sets the maximum allowed character code that should be allowed * unescaped * such as 127 in US-ASCII (7 bit) or 255 in ISO-* (8 bit) * or -1 to not escape any characters (other than the special XML characters like < > &) * * If this is not explicitly set then it is defaulted from the encoding. * * @param maximumAllowedCharacter The maximumAllowedCharacter to set */ public void setMaximumAllowedCharacter(int maximumAllowedCharacter) { this.maximumAllowedCharacter = maximumAllowedCharacter; } /** Flushes the underlying Writer */ public void flush() throws IOException { writer.flush(); } /** Closes the underlying Writer */ public void close() throws IOException { writer.close(); } /** Writes the new line text to the underlying Writer */ public void println() throws IOException { writer.write( format.getLineSeparator() ); } /** Writes the given {@link org.dom4j.Attribute}. * * @param attribute <code>Attribute</code> to output. */ public void write(Attribute attribute) throws IOException { writeAttribute(attribute); if ( autoFlush ) { flush(); } } /** <p>This will print the <code>Document</code> to the current Writer.</p> * * <p> Warning: using your own Writer may cause the writer's * preferred character encoding to be ignored. If you use * encodings other than UTF8, we recommend using the method that * takes an OutputStream instead. </p> * * <p>Note: as with all Writers, you may need to flush() yours * after this method returns.</p> * * @param doc <code>Document</code> to format. * @throws IOException - if there's any problem writing. **/ public void write(Document doc) throws IOException { writeDeclaration(); if (doc.getDocType() != null) { indent(); writeDocType(doc.getDocType()); } for ( int i = 0, size = doc.nodeCount(); i < size; i++ ) { Node node = doc.node(i); writeNode( node ); } writePrintln(); if ( au