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/*
 * Copyright 2011 Tomas Schlosser
 *
 * 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.
 */
package org.anadix.factories;

import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.io.Reader;
import java.io.StringReader;

import org.anadix.Source;

class StringSource implements Source {
	private final String source;
	private final String description;

	/**
	 * Constructor
	 *
	 * @param source - instance of String representing the source
	 */
	public StringSource(String source) {
		this(source, null);
	}

	/**
	 * Constructor
	 *
	 * @param source - instance of String representing the source
	 * @param description - description of the source
	 */
	public StringSource(String source, String description) {
		if (source == null) {
			throw new NullPointerException("source can't be null");
		}
		this.source = source;
		this.description = description;
	}

	/**
	 * {@inheritDoc}
	 */
	public String getDescription() {
		return description;
	}

	/**
	 * {@inheritDoc}
	 */
	public String getText() {
		return source;
	}

	/**
	 * {@inheritDoc}
	 */
	public Reader getReader() {
		return new StringReader(source);
	}

	/**
	 * {@inheritDoc}
	 */
	public InputStream getStream() {
		return new ByteArrayInputStream(source.getBytes());
	}

}