taverna-reference-types/src/main/java/org/apache/taverna/reference/impl/external/object/StreamToIntegerConverter.java

/*
* 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 org.apache.taverna.reference.impl.external.object;

import java.io.InputStream;

import org.apache.taverna.reference.ReferencedDataNature;
import org.apache.taverna.reference.StreamToValueConverterSPI;

/**
 * @author alanrw
 */
public class StreamToIntegerConverter implements
		StreamToValueConverterSPI<Integer> {
	@Override
	public Class<Integer> getPojoClass() {
		return Integer.class;
	}

	@Override
	public Integer renderFrom(InputStream stream,
			ReferencedDataNature dataNature, String charset) {
		StreamToStringConverter stringConverter = new StreamToStringConverter();
		String s = stringConverter.renderFrom(stream, dataNature, charset);
		Integer result = Integer.valueOf(s.trim());
		return result;
	}
}