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This module contains the Metro runtime code.
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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 2010-2017 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://oss.oracle.com/licenses/CDDL+GPL-1.1
 * or LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at LICENSE.txt.
 *
 * GPL Classpath Exception:
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 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
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/*
 * $Id: Canonicalizer.java,v 1.2 2010-10-21 15:37:19 snajper Exp $
 * $Revision: 1.2 $
 * $Date: 2010-10-21 15:37:19 $
 */

package com.sun.xml.wss.impl.c14n;

import com.sun.xml.wss.swa.MimeConstants;

import com.sun.xml.wss.XWSSecurityException;
import java.io.InputStream;
import java.io.OutputStream;

import java.util.logging.Logger;

import com.sun.xml.wss.logging.LogDomainConstants;

/**
 * Interface for defining MIME Content Canonicalizer.
 * (Section 4.3.2) "MIME Content Canonicalization"; SwA
 *
 * @author  XWS-Security Team
 */
public abstract class Canonicalizer {
    String _charset = MimeConstants.US_ASCII;

    protected static final Logger log =  Logger.getLogger( 
            LogDomainConstants.IMPL_CANON_DOMAIN,
            LogDomainConstants.IMPL_CANON_DOMAIN_BUNDLE);

    public Canonicalizer() {}
    
    Canonicalizer(String charset) {
        this._charset = charset;
    }
    
    /*
     * Main method that performs the actual Canonicalization.
     */
    public abstract byte[] canonicalize(byte[] input) throws XWSSecurityException;
    public abstract InputStream canonicalize(InputStream input,OutputStream outputStream) throws javax.xml.crypto.dsig.TransformException ;
    
    void setCharset(String charset) {
        this._charset = charset;
    }
    
    public String getCharset() {
        return _charset;
    }
}