/*
 * 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.flink.runtime.webmonitor.handlers;

import org.apache.flink.runtime.rest.HttpMethodWrapper;
import org.apache.flink.runtime.rest.messages.EmptyMessageParameters;
import org.apache.flink.runtime.rest.messages.EmptyRequestBody;
import org.apache.flink.runtime.rest.messages.MessageHeaders;

import org.apache.flink.shaded.netty4.io.netty.handler.codec.http.HttpResponseStatus;

/**
 * {@link MessageHeaders} for uploading jars.
 */
public final class JarUploadHeaders implements MessageHeaders<EmptyRequestBody, JarUploadResponseBody, EmptyMessageParameters> {

	public static final String URL = "/jars/upload";
	private static final JarUploadHeaders INSTANCE = new JarUploadHeaders();

	private JarUploadHeaders() {}

	@Override
	public Class<JarUploadResponseBody> getResponseClass() {
		return JarUploadResponseBody.class;
	}

	@Override
	public HttpResponseStatus getResponseStatusCode() {
		return HttpResponseStatus.OK;
	}

	@Override
	public Class<EmptyRequestBody> getRequestClass() {
		return EmptyRequestBody.class;
	}

	@Override
	public EmptyMessageParameters getUnresolvedMessageParameters() {
		return EmptyMessageParameters.getInstance();
	}

	@Override
	public HttpMethodWrapper getHttpMethod() {
		return HttpMethodWrapper.POST;
	}

	@Override
	public String getTargetRestEndpointURL() {
		return URL;
	}

	public static JarUploadHeaders getInstance() {
		return INSTANCE;
	}

	@Override
	public String getDescription() {
		return "Uploads a jar to the cluster. The jar must be sent as multi-part data. Make sure that the \"Content-Type\"" +
			" header is set to \"application/x-java-archive\", as some http libraries do not add the header by default.\n" +
			"Using 'curl' you can upload a jar via 'curl -X POST -H \"Expect:\" -F \"jarfile=#path/to/flink-job.jar\" http://hostname:port" + URL + "'.";
	}

	@Override
	public boolean acceptsFileUploads() {
		return true;
	}
}

/*
 * 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.flink.runtime.webmonitor.handlers;

import org.apache.flink.runtime.rest.HttpMethodWrapper;
import org.apache.flink.runtime.rest.messages.EmptyMessageParameters;
import org.apache.flink.runtime.rest.messages.EmptyRequestBody;
import org.apache.flink.runtime.rest.messages.MessageHeaders;

import org.apache.flink.shaded.netty4.io.netty.handler.codec.http.HttpResponseStatus;

/**
 * {@link MessageHeaders} for uploading jars.
 */
public final class JarUploadHeaders implements MessageHeaders<EmptyRequestBody, JarUploadResponseBody, EmptyMessageParameters> {

	public static final String URL = "/jars/upload";
	private static final JarUploadHeaders INSTANCE = new JarUploadHeaders();

	private JarUploadHeaders() {}

	@Override
	public Class<JarUploadResponseBody> getResponseClass() {
		return JarUploadResponseBody.class;
	}

	@Override
	public HttpResponseStatus getResponseStatusCode() {
		return HttpResponseStatus.OK;
	}

	@Override
	public Class<EmptyRequestBody> getRequestClass() {
		return EmptyRequestBody.class;
	}

	@Override
	public EmptyMessageParameters getUnresolvedMessageParameters() {
		return EmptyMessageParameters.getInstance();
	}

	@Override
	public HttpMethodWrapper getHttpMethod() {
		return HttpMethodWrapper.POST;
	}

	@Override
	public String getTargetRestEndpointURL() {
		return URL;
	}

	public static JarUploadHeaders getInstance() {
		return INSTANCE;
	}

	@Override
	public String getDescription() {
		return "Uploads a jar to the cluster. The jar must be sent as multi-part data. Make sure that the \"Content-Type\"" +
			" header is set to \"application/x-java-archive\", as some http libraries do not add the header by default.\n" +
			"Using 'curl' you can upload a jar via 'curl -X POST -H \"Expect:\" -F \"jarfile=@path/to/flink-job.jar\" http://hostname:port" + URL + "'.";
	}

	@Override
	public boolean acceptsFileUploads() {
		return true;
	}
}

Fix curl example in upload jar example