org.ldp4j.server.sdk.StringContent.java Source code

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Here is the source code for org.ldp4j.server.sdk.StringContent.java

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/**
 * #-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=#
 *   This file is part of the LDP4j Project:
 *     http://www.ldp4j.org/
 *
 *   Center for Open Middleware
 *     http://www.centeropenmiddleware.com/
 * #-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=#
 *   Copyright (C) 2014 Center for Open Middleware.
 * #-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=#
 *   Licensed 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.
 * #-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=#
 *   Artifact    : org.ldp4j.framework:ldp4j-server-impl:1.0.0-SNAPSHOT
 *   Bundle      : ldp4j-server-impl-1.0.0-SNAPSHOT.jar
 * #-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=#
 */
package org.ldp4j.server.sdk;

import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.Reader;
import java.io.StringReader;
import java.nio.charset.Charset;

import org.apache.commons.io.IOUtils;
import org.ldp4j.server.IContent;

public class StringContent implements IContent {

    private final Charset charset = Charset.defaultCharset();
    private final String source;

    public StringContent(String source) {
        this.source = source;
    }

    @Override
    public <S> S serialize(Class<S> clazz) throws IOException {
        Object result = null;
        if (clazz.isInstance(source)) {
            result = source;
        } else if (clazz.isAssignableFrom(InputStream.class)) {
            result = IOUtils.toBufferedInputStream(new ByteArrayInputStream(source.getBytes(charset)));
        } else if (clazz.isAssignableFrom(Reader.class)) {
            result = new StringReader(source);
        } else if (clazz.isAssignableFrom(CharSequence.class)) {
            result = CharSequence.class.cast(source);
        } else if (clazz.getClass().isArray() && Byte.TYPE.isAssignableFrom(clazz.getComponentType())) {
            result = (byte[]) source.getBytes(charset);
        } else {
            throw new IOException(
                    String.format("Could not serialize String content to '%s'", clazz.getCanonicalName()));
        }
        return clazz.cast(result);
    }

}