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/*
* Copyright Camunda Services GmbH and/or licensed to Camunda Services GmbH
* under one or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information regarding copyright
* ownership. Camunda licenses this file to you under the Apache License,
* Version 2.0; 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.camunda.bpm.engine.impl.json;
import org.camunda.bpm.engine.impl.cmd.AbstractProcessInstanceModificationCommand;
import org.camunda.bpm.engine.impl.cmd.ActivityAfterInstantiationCmd;
import org.camunda.bpm.engine.impl.cmd.ActivityBeforeInstantiationCmd;
import org.camunda.bpm.engine.impl.cmd.ActivityCancellationCmd;
import org.camunda.bpm.engine.impl.cmd.ActivityInstanceCancellationCmd;
import org.camunda.bpm.engine.impl.cmd.TransitionInstanceCancellationCmd;
import org.camunda.bpm.engine.impl.cmd.TransitionInstantiationCmd;
import org.camunda.bpm.engine.impl.util.JsonUtil;
import com.google.gson.JsonObject;
public class ModificationCmdJsonConverter extends JsonObjectConverter {
public static final ModificationCmdJsonConverter INSTANCE = new ModificationCmdJsonConverter();
public static final String START_BEFORE = "startBeforeActivity";
public static final String START_AFTER = "startAfterActivity";
public static final String START_TRANSITION = "startTransition";
public static final String CANCEL_ALL = "cancelAllForActivity";
public static final String CANCEL_CURRENT = "cancelCurrentActiveActivityInstances";
public static final String CANCEL_ACTIVITY_INSTANCES = "cancelActivityInstances";
public static final String PROCESS_INSTANCE = "processInstances";
public static final String CANCEL_TRANSITION_INSTANCES = "cancelTransitionInstances";
@Override
public JsonObject toJsonObject(AbstractProcessInstanceModificationCommand command) {
JsonObject json = JsonUtil.createObject();
if (command instanceof ActivityAfterInstantiationCmd) {
JsonUtil.addField(json, START_AFTER, ((ActivityAfterInstantiationCmd) command).getTargetElementId());
}
else if (command instanceof ActivityBeforeInstantiationCmd) {
JsonUtil.addField(json, START_BEFORE, ((ActivityBeforeInstantiationCmd) command).getTargetElementId());
}
else if (command instanceof TransitionInstantiationCmd) {
JsonUtil.addField(json, START_TRANSITION, ((TransitionInstantiationCmd) command).getTargetElementId());
}
else if (command instanceof ActivityCancellationCmd) {
JsonUtil.addField(json, CANCEL_ALL, ((ActivityCancellationCmd) command).getActivityId());
JsonUtil.addField(json, CANCEL_CURRENT, ((ActivityCancellationCmd) command).isCancelCurrentActiveActivityInstances());
}
else if (command instanceof ActivityInstanceCancellationCmd) {
JsonUtil.addField(json, CANCEL_ACTIVITY_INSTANCES, ((ActivityInstanceCancellationCmd) command).getActivityInstanceId());
JsonUtil.addField(json, PROCESS_INSTANCE, ((ActivityInstanceCancellationCmd) command).getProcessInstanceId());
}
else if (command instanceof TransitionInstanceCancellationCmd) {
JsonUtil.addField(json, CANCEL_TRANSITION_INSTANCES, ((TransitionInstanceCancellationCmd) command).getTransitionInstanceId());
JsonUtil.addField(json, PROCESS_INSTANCE, ((TransitionInstanceCancellationCmd) command).getProcessInstanceId());
}
return json;
}
@Override
public AbstractProcessInstanceModificationCommand toObject(JsonObject json) {
AbstractProcessInstanceModificationCommand cmd = null;
if (json.has(START_BEFORE)) {
cmd = new ActivityBeforeInstantiationCmd(JsonUtil.getString(json, START_BEFORE));
}
else if (json.has(START_AFTER)) {
cmd = new ActivityAfterInstantiationCmd(JsonUtil.getString(json, START_AFTER));
}
else if (json.has(START_TRANSITION)) {
cmd = new TransitionInstantiationCmd(JsonUtil.getString(json, START_TRANSITION));
}
else if (json.has(CANCEL_ALL)) {
cmd = new ActivityCancellationCmd(JsonUtil.getString(json, CANCEL_ALL));
boolean cancelCurrentActiveActivityInstances = JsonUtil.getBoolean(json, CANCEL_CURRENT);
((ActivityCancellationCmd) cmd).setCancelCurrentActiveActivityInstances(cancelCurrentActiveActivityInstances);
}
else if (json.has(CANCEL_ACTIVITY_INSTANCES)) {
cmd = new ActivityInstanceCancellationCmd(JsonUtil.getString(json, PROCESS_INSTANCE), JsonUtil.getString(json, CANCEL_ACTIVITY_INSTANCES));
}
else if (json.has(CANCEL_TRANSITION_INSTANCES)) {
cmd = new TransitionInstanceCancellationCmd(JsonUtil.getString(json, PROCESS_INSTANCE), JsonUtil.getString(json, CANCEL_TRANSITION_INSTANCES));
}
return cmd;
}
}
