com.msopentech.odatajclient.engine.data.ODataObjectWrapper.java Source code

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Here is the source code for com.msopentech.odatajclient.engine.data.ODataObjectWrapper.java

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/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under 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.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package com.msopentech.odatajclient.engine.data;

import com.msopentech.odatajclient.engine.metadata.AbstractEdmMetadata;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import org.apache.commons.io.IOUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class ODataObjectWrapper {

    /**
     * Logger.
     */
    protected static final Logger LOG = LoggerFactory.getLogger(ODataObjectWrapper.class);

    private final ODataReader reader;

    private final byte[] obj;

    private final String format;

    /**
     * Constructor.
     *
     * @param is source input stream.
     * @param format source format (<tt>ODataPubFormat</tt>, <tt>ODataFormat</tt>, <tt>ODataValueFormat</tt>,
     * <tt>ODataServiceDocumentFormat</tt>).
     */
    public ODataObjectWrapper(final ODataReader reader, final InputStream is, final String format) {
        this.reader = reader;
        try {
            this.obj = IOUtils.toByteArray(is);
            this.format = format;
        } catch (IOException e) {
            throw new IllegalArgumentException(e);
        }
    }

    /**
     * Parses stream as <tt>ODataEntitySetIterator</tt>.
     *
     * I
     *
     * @return <tt>ODataEntitySetIterator</tt> if success; null otherwise.
     */
    public ODataEntitySetIterator getODataEntitySetIterator() {
        return reader.read(new ByteArrayInputStream(obj), format, ODataEntitySetIterator.class);
    }

    /**
     * Parses stream as <tt>ODataEntitySet</tt>.
     *
     * @return <tt>ODataEntitySet</tt> if success; null otherwise.
     */
    public ODataEntitySet getODataEntitySet() {
        return reader.read(new ByteArrayInputStream(obj), format, ODataEntitySet.class);
    }

    /**
     * Parses stream as <tt>ODataEntity</tt>.
     *
     * @return <tt>ODataEntity</tt> if success; null otherwise.
     */
    public ODataEntity getODataEntity() {
        return reader.read(new ByteArrayInputStream(obj), format, ODataEntity.class);
    }

    /**
     * Parses stream as <tt>ODataProperty</tt>.
     *
     * @return <tt>ODataProperty</tt> if success; null otherwise.
     */
    public ODataProperty getODataProperty() {
        return reader.read(new ByteArrayInputStream(obj), format, ODataProperty.class);
    }

    /**
     * Parses stream as <tt>ODataLinkCollection</tt>.
     *
     * @return <tt>ODataLinkCollection</tt> if success; null otherwise.
     */
    public ODataLinkCollection getODataLinkCollection() {
        return reader.read(new ByteArrayInputStream(obj), format, ODataLinkCollection.class);
    }

    /**
     * Parses stream as <tt>ODataValue</tt>.
     *
     * @return <tt>ODataValue</tt> if success; null otherwise.
     */
    public ODataValue getODataValue() {
        return reader.read(new ByteArrayInputStream(obj), format, ODataValue.class);
    }

    /**
     * Parses stream as <tt>EdmMetadata</tt>.
     *
     * @return <tt>EdmMetadata</tt> if success; null otherwise.
     */
    public AbstractEdmMetadata getEdmMetadata() {
        return reader.read(new ByteArrayInputStream(obj), null, AbstractEdmMetadata.class);
    }

    /**
     * Parses stream as <tt>ODataServiceDocument</tt>.
     *
     * @return <tt>ODataServiceDocument</tt> if success; null otherwise.
     */
    public ODataServiceDocument getODataServiceDocument() {
        return reader.read(new ByteArrayInputStream(obj), format, ODataServiceDocument.class);
    }

    /**
     * Parses stream as <tt>ODataError</tt>.
     *
     * @return <tt>ODataError</tt> if success; null otherwise.
     */
    public ODataError getODataError() {
        return reader.read(new ByteArrayInputStream(obj), null, ODataError.class);
    }
}