org.codehaus.stax2.ri.evt.ProcInstrEventImpl Maven / Gradle / Ivy

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package org.codehaus.stax2.ri.evt;

import java.io.IOException;
import java.io.Writer;

import javax.xml.stream.*;
import javax.xml.stream.events.ProcessingInstruction;

import org.codehaus.stax2.*;

public class ProcInstrEventImpl
    extends BaseEventImpl
    implements ProcessingInstruction
{
    final String mTarget;
    final String mData;

    public ProcInstrEventImpl(Location loc, String target, String data)
    {
        super(loc);
        mTarget = target;
        mData = data;
    }

    public String getData() {
        return mData;
    }

    public String getTarget() {
        return mTarget;
    }

    /*
    ///////////////////////////////////////////
    // Implementation of abstract base methods
    ///////////////////////////////////////////
     */

    public int getEventType() {
        return PROCESSING_INSTRUCTION;
    }

    public boolean isProcessingInstruction() {
        return true;
    }

    public void writeAsEncodedUnicode(Writer w)
        throws XMLStreamException
    {
        try {
            w.write(" 0) {
                w.write(mData);
            }
            w.write("?>");
        } catch (IOException ie) {
            throwFromIOE(ie);
        }
    }

    public void writeUsing(XMLStreamWriter2 w) throws XMLStreamException
    {
        if (mData != null && mData.length() > 0) {
            w.writeProcessingInstruction(mTarget, mData);
        } else {
            w.writeProcessingInstruction(mTarget);
        }
    }

    /*
    ///////////////////////////////////////////
    // Standard method impl
    ///////////////////////////////////////////
     */

    public boolean equals(Object o)
    {
        if (o == this) return true;
        if (o == null) return false;

        if (!(o instanceof ProcessingInstruction)) return false;

        ProcessingInstruction other = (ProcessingInstruction) o;
        return mTarget.equals(other.getTarget())
            && stringsWithNullsEqual(mData, other.getData());
    }

    public int hashCode()
    {
        int hash = mTarget.hashCode();
        if (mData != null) {
            hash ^= mData.hashCode();
        }
        return hash;
    }
}