apache-poi/src/java/org/apache/poi/hpsf/MutableProperty.java

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package org.apache.poi.hpsf;
import java.io.IOException;
import java.io.OutputStream;
/**
* <p>Adds writing capability to the {@link Property} class.</p>
*
* <p>Please be aware that this class' functionality will be merged into the
* {@link Property} class at a later time, so the API will change.</p>
*
* @author Rainer Klute <a
* href="mailto:klute@rainer-klute.de">&lt;klute@rainer-klute.de&gt;</a>
* @since 2003-08-03
* @version $Id$
*/
public class MutableProperty extends Property
{
/**
* <p>Creates an empty property. It must be filled using the set method to
* be usable.</p>
*/
public MutableProperty()
{ }
/**
* <p>Sets the property's ID.</p>
*
* @param id the ID
*/
public void setID(final long id)
{
this.id = id;
}
/**
* <p>Sets the property's type.</p>
*
* @param type the property's type
*/
public void setType(final long type)
{
this.type = type;
}
/**
* <p>Sets the property's value.</p>
*
* @param value the property's value
*/
public void setValue(final Object value)
{
this.value = value;
}
/**
* <p>Writes the property to an output stream.</p>
*
* @param out The output stream to write to.
* @return the number of bytes written to the stream
*
* @exception IOException if an I/O error occurs
* @exception WritingNotSupportedException if a variant type is to be
* written that is not yet supported
*/
public int write(final OutputStream out)
throws IOException, WritingNotSupportedException
{
int length = 0;
long variantType = getType();
length += TypeWriter.writeUIntToStream(out, variantType);
length += VariantSupport.write(out, variantType, getValue());
return length;
}
}