/*
* @(#)OutputStorage.java 1.5 02/09/18 @(#)
*
* Copyright (c) 2001 Sun Microsystems, Inc. All rights reserved.
* PROPRIETARY/CONFIDENTIAL
* Use is subject to license terms.
*/
package com.sun.midp.mekeytool;
import java.io.*;
import com.sun.midp.publickeystore.Storage;
/**
* Write fields to an OutputStream.
*/
class OutputStorage extends Storage {
/** stream to write to */
private DataOutputStream out;
/**
* Constructs an OutputStorage for an OutputStream.
* @param output the output storage output stream.
* @exception IOException if the storage version cannot be written
*/
OutputStorage(OutputStream output) throws IOException {
out = new DataOutputStream(output);
out.writeByte(CURRENT_VERSION);
}
/**
* Stores a byte array field as tag, BINARY_TYPE, value.
* @param tag number to unique to this field
* @param value value of field
*/
void writeValue(byte tag, byte[] value) throws IOException {
out.writeByte(tag);
out.writeByte(BINARY_TYPE);
/*
* must write our own length, because DataOutputStream does not handle
* handle byte arrays.
*/
out.writeShort(value.length);
out.write(value);
}
/**
* Stores a String field as tag, STRING_TYPE, value.
* @param tag number to unique to this field
* @param value value of field
*/
void writeValue(byte tag, String value) throws IOException {
out.writeByte(tag);
out.writeByte(STRING_TYPE);
out.writeUTF(value);
}
/**
* Stores a long field as tag, LONG_TYPE, value.
* @param tag number to unique to this field
* @param value value of field
*/
void writeValue(byte tag, long value) throws IOException {
out.writeByte(tag);
out.writeByte(LONG_TYPE);
out.writeLong(value);
}
}
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