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The coolest XML library for Java around. Define typesafe views (projections) to xml. Use XPath to read and write XML. Bind XML to Java collections. Requires at least Java6, supports Java8 features and has no further runtime dependencies.

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/**
 *  Copyright 2013 Sven Ewald
 *
 *  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.xmlbeam.io;

import java.io.OutputStream;

import javax.xml.transform.TransformerException;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;

import org.xmlbeam.XBProjector;
import org.xmlbeam.dom.DOMAccess;
import org.xmlbeam.exceptions.XBException;
import org.xmlbeam.util.intern.DocScope;
import org.xmlbeam.util.intern.Scope;

/**
 * @author Sven Ewald
 */
public class StreamOutput {

    private final XBProjector projector;
    private final OutputStream os;

    /**
     * @param xmlProjector
     * @param os
     */
    public StreamOutput(final XBProjector xmlProjector, final OutputStream os) {
        this.projector = xmlProjector;
        this.os = os;
    }

    /**
     * @param projection
     */
    @Scope(DocScope.IO)
    public void write(final Object projection) {
        try {
            projector.config().createTransformer().transform(new DOMSource(((DOMAccess) projection).getDOMNode()), new StreamResult(os));
        } catch (TransformerException e) {
            throw new XBException("Error during writing document",e);
        }
    }

}