001/*
002 * (C) Copyright 2006-2011 Nuxeo SA (http://nuxeo.com/) and others.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 *
016 * Contributors:
017 *     bstefanescu
018 */
019package org.nuxeo.ecm.automation.jaxrs.io.operations;
020
021import java.io.IOException;
022import java.io.OutputStream;
023import java.io.PrintStream;
024import java.lang.annotation.Annotation;
025import java.lang.reflect.Type;
026
027import javax.ws.rs.Produces;
028import javax.ws.rs.WebApplicationException;
029import javax.ws.rs.core.MediaType;
030import javax.ws.rs.core.MultivaluedMap;
031import javax.ws.rs.ext.MessageBodyWriter;
032import javax.ws.rs.ext.Provider;
033
034import org.nuxeo.ecm.automation.OperationDocumentation;
035import org.nuxeo.ecm.automation.jaxrs.io.JsonWriter;
036
037/**
038 * Writer producing html for Json Operation export.
039 *
040 * @since 5.9.4
041 */
042@Provider
043@Produces("text/html")
044public class JsonHtmlOperationWriter implements MessageBodyWriter<OperationDocumentation> {
045
046    @Override
047    public long getSize(OperationDocumentation arg0, Class<?> arg1, Type arg2, Annotation[] arg3, MediaType arg4) {
048        return -1;
049    }
050
051    @Override
052    public boolean isWriteable(Class<?> arg0, Type arg1, Annotation[] arg2, MediaType arg3) {
053        return OperationDocumentation.class.isAssignableFrom(arg0);
054    }
055
056    @Override
057    public void writeTo(OperationDocumentation op, Class<?> arg1, Type arg2, Annotation[] arg3, MediaType arg4,
058            MultivaluedMap<String, Object> arg5, OutputStream out) throws IOException, WebApplicationException {
059        PrintStream writer = new PrintStream(out);
060        writer.print("<!DOCTYPE html>\n");
061        writer.print("<html>\n<head><title>" + op.getId() + "</title></head>\n<body>\n<pre>");
062        JsonWriter.writeOperation(out, op, true);
063        writer.print("</pre>\n</html>");
064    }
065}