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The Fedora Client is a Java Library that allows API access to a Fedora Repository. The client is typically one part of a full Fedora installation.
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/*
 * -----------------------------------------------------------------------------
 *
 * License and Copyright: The contents of this file are subject to the
 * Apache License, Version 2.0 (the "License"); you may not use 
 * this file except in compliance with the License. You may obtain a copy of 
 * the License at 
 * http://www.fedora-commons.org/licenses.
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
 * the specific language governing rights and limitations under the License.
 *
 * The entire file consists of original code.
 * Copyright © 2008 Fedora Commons, Inc.

 * 
Copyright © 2002-2007 The Rector and Visitors of the University of 
 * Virginia and Cornell University
 
 * All rights reserved.
 *
 * -----------------------------------------------------------------------------
 */
package fedora.server.storage;

import java.util.Date;
import java.io.InputStream;
import java.io.ByteArrayInputStream;

import org.xml.sax.InputSource;

import fedora.server.Context;
import fedora.server.errors.DatastreamNotFoundException;
import fedora.server.errors.MethodNotFoundException;
import fedora.server.errors.ObjectIntegrityException;
import fedora.server.errors.RepositoryConfigurationException;
import fedora.server.errors.ServerException;
import fedora.server.errors.StreamIOException;
import fedora.server.errors.GeneralException;
import fedora.server.errors.UnsupportedTranslationException;
import fedora.server.storage.translation.DOTranslator;
import fedora.server.storage.RepositoryReader;
import fedora.server.storage.types.BMechDSBindSpec;
import fedora.server.storage.types.DigitalObject;
import fedora.server.storage.types.MethodDef;
import fedora.server.storage.types.MethodParmDef;
import fedora.server.storage.types.MethodDefOperationBind;
import fedora.server.storage.service.ServiceMapper;

/**
 * A BMechReader based on a DigitalObject.
 *
 * @author [email protected]
 * @version $Id: SimpleBMechReader.java 5220 2006-11-20 13:52:20Z cwilper $
 */
public class SimpleBMechReader
        extends SimpleServiceAwareReader
        implements BMechReader {

    private ServiceMapper serviceMapper;

    public SimpleBMechReader(Context context, RepositoryReader repoReader,
            DOTranslator translator,
            String exportFormat, String storageFormat,
            String encoding,
            InputStream serializedObject)
            throws ObjectIntegrityException, StreamIOException,
            UnsupportedTranslationException, ServerException {
        super(context, repoReader, translator, exportFormat, storageFormat, 
                encoding, serializedObject);
        serviceMapper = new ServiceMapper(GetObjectPID());
    }

    /**
     * Alternate constructor for when a DigitalObject is already
     * available for some reason.
     */
    public SimpleBMechReader(Context context, RepositoryReader repoReader,
            DOTranslator translator, String exportFormat, String encoding,
            DigitalObject obj) {
        super(context, repoReader, translator, exportFormat,
                encoding, obj);
        serviceMapper = new ServiceMapper(GetObjectPID());
    }

    public MethodDef[] getServiceMethods(Date versDateTime)
            throws DatastreamNotFoundException, ObjectIntegrityException,
            RepositoryConfigurationException, GeneralException {
        return serviceMapper.getMethodDefs(
          new InputSource(new ByteArrayInputStream(
              getMethodMapDatastream(versDateTime).xmlContent)));
    }

    public MethodParmDef[] getServiceMethodParms(String methodName, Date versDateTime)
            throws MethodNotFoundException, ServerException {
        return getParms(getServiceMethods(versDateTime), methodName);
    }

    public MethodDefOperationBind[] getServiceMethodBindings(Date versDateTime)
            throws DatastreamNotFoundException, ObjectIntegrityException,
            RepositoryConfigurationException, GeneralException {
        return serviceMapper.getMethodDefBindings(
          new InputSource(new ByteArrayInputStream(
              getWSDLDatastream(versDateTime).xmlContent)),
          new InputSource(new ByteArrayInputStream(
              getMethodMapDatastream(versDateTime).xmlContent)));
    }

    public BMechDSBindSpec getServiceDSInputSpec(Date versDateTime)
            throws DatastreamNotFoundException, ObjectIntegrityException,
            RepositoryConfigurationException, GeneralException {
        return serviceMapper.getDSInputSpec(
          new InputSource(new ByteArrayInputStream(
              getDSInputSpecDatastream(versDateTime).xmlContent)));
    }

    public InputStream getServiceMethodsXML(Date versDateTime)
            throws DatastreamNotFoundException, ObjectIntegrityException {
        return new ByteArrayInputStream(
              getMethodMapDatastream(versDateTime).xmlContent);
    }

    /**
     * Get the parms out of a particular service method definition.
     * @param methods
     * @return
     */
     private MethodParmDef[] getParms(MethodDef[] methods, String methodName)
      throws MethodNotFoundException, ServerException
     {
        for (int i=0; i