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Base for Client View of the ShrinkWrap Descriptors Project

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/*
 * JBoss, Home of Professional Open Source
 * Copyright 2009, Red Hat Middleware LLC, and individual contributors
 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * 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.jboss.shrinkwrap.descriptor.api;

import java.io.OutputStream;

/**
 * End-user domain-specific language (DSL) view of a metadata Descriptor.
 *
 * @author Aslak Knutsen
 * @author ALR
 */
public interface Descriptor {

    /**
     * Get the {@link Descriptor} name. The name can be specified by user at construction time, or predefined as a
     * default by type.
     *
     * @return the descriptor name
     */
    String getDescriptorName();

    /**
     * Exports the descriptor as a {@link String}
     *
     * @return
     * @throws DescriptorExportException
     */
    String exportAsString() throws DescriptorExportException;

    /**
     * Export the descriptor to a given {@link OutputStream}. The {@link OutputStream} will not be flushed or closed by
     * this operation.
     *
     * @param output
     *            Where to export
     * @throws IllegalArgumentException
     *             if output is null
     * @throws DescriptorExportException
     *             if problems exporting
     */
    void exportTo(OutputStream output) throws DescriptorExportException, IllegalArgumentException;

}