@@ -0,0 +1,1460 @@
+/*%0A * Copyright 2016 Amherst College%0A *%0A * Licensed under the Apache License, Version 2.0 (the %22License%22);%0A * you may not use this file except in compliance with the License.%0A * You may obtain a copy of the License at%0A *%0A *     http://www.apache.org/licenses/LICENSE-2.0%0A *%0A * Unless required by applicable law or agreed to in writing, software%0A * distributed under the License is distributed on an %22AS IS%22 BASIS,%0A * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.%0A * See the License for the specific language governing permissions and%0A * limitations under the License.%0A */%0Apackage edu.amherst.acdc.trellis.spi;%0A%0Aimport java.io.InputStream;%0A%0Aimport org.apache.commons.rdf.api.IRI;%0A%0A/**%0A * @author acoburn%0A */%0Apublic interface DatastreamService %7B%0A%0A    /**%0A     * Get the content of the datastream%0A     * @param identifier an identifier used for locating the datastream%0A     * @return the content%0A     */%0A    InputStream getContent(final IRI identifier);%0A%0A    /**%0A     * Test whether a datastream exists at the given URI%0A     * @param identifier the datastream identifier%0A     * @return whether the datastream exists%0A     */%0A    Boolean exists(final IRI identifier);%0A%0A    /**%0A     * Set the content for a datastream%0A     * @param identifier the identifier%0A     * @param stream the content%0A     * @param contentType the contentType%0A     */%0A    void setContent(final IRI identifier, final InputStream stream, final String contentType);%0A%0A%7D%0A

add datastream service