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docx4j is a library which helps you to work with the Office Open XML file format as used in docx documents, pptx presentations, and xlsx spreadsheets.

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package com.topologi.diffx.event.impl;

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import java.io.IOException;

import org.apache.commons.lang.builder.HashCodeBuilder;


import com.topologi.diffx.Constants;
import com.topologi.diffx.event.DiffXEvent;
import com.topologi.diffx.event.OpenElementEvent;
import com.topologi.diffx.xml.XMLWriter;

/**
 * A basic implementation of the close element event.
 * 
 * 

It corresponds to the startElement SAX event. * *

This implementation is not namespace aware. * * @author Christophe Lauret * @version 26 April 2005 */ public final class OpenElementEventImpl extends DiffXEventBase implements OpenElementEvent { /** * The local name of the element. */ private final String name; /** * Creates a new open element event. * * @param name The local name of the element * * @throws NullPointerException if the name is null. */ public OpenElementEventImpl(String name) throws NullPointerException { if (name == null) throw new NullPointerException("Element must have a name."); this.name = name; } /** * @return Returns the name. */ public String getName() { return this.name; } /** * @return Returns the uri. */ public String getURI() { return Constants.DEFAULT_URI; } /** * @see java.lang.Object#hashCode() */ // public int hashCode() { // return this.name.hashCode(); // } private int fHashCode; @Override public int hashCode() { if ( fHashCode == 0) { // you pick a hard-coded, randomly chosen, non-zero, odd number // ideally different for each class fHashCode = new HashCodeBuilder(17, 37). append(this.name). toHashCode(); } return fHashCode; } /** * Returns true if the event is a * * @param e The event to compare with this event. * * @return true if this event is equal to the specified event; * false otherwise. */ public boolean equals(DiffXEvent e) { if (e.getClass() != this.getClass()) return false; OpenElementEventImpl oee = (OpenElementEventImpl)e; return (oee.name.equals(this.name)); } /** * @see Object#toString() */ public String toString() { return "openElement: "+this.name; } /** * @see com.topologi.diffx.xml.XMLWritable#toXML(com.topologi.diffx.xml.XMLWriter) */ public void toXML(XMLWriter xml) throws IOException { xml.openElement(this.name, false); } /** * Converts this event to an XML open tag. * *

Note that this method does not allow attributes to be put after this element. * * @see com.topologi.diffx.xml.XMLFormattable#toXML(java.lang.StringBuffer) */ public StringBuffer toXML(StringBuffer xml) { return xml.append('<').append(this.name).append('>'); } }





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