/*******************************************************************************
* Mission Control Technologies, Copyright (c) 2009-2012, United States Government
* as represented by the Administrator of the National Aeronautics and Space
* Administration. All rights reserved.
*
* The MCT platform is 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.
*
* MCT includes source code licensed under additional open source licenses. See
* the MCT Open Source Licenses file included with this distribution or the About
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*******************************************************************************/
package gov.nasa.arc.mct.fastplot.policy;
import gov.nasa.arc.mct.components.FeedProvider;
import gov.nasa.arc.mct.components.FeedProvider.FeedType;
import gov.nasa.arc.mct.fastplot.view.PlotViewManifestation;
import gov.nasa.arc.mct.policy.ExecutionResult;
import gov.nasa.arc.mct.policy.Policy;
import gov.nasa.arc.mct.policy.PolicyContext;
import gov.nasa.arc.mct.services.component.ViewInfo;
public class PlotStringPolicy implements Policy {
private static final String EM_STRING = "Can't show plot for string";
@Override
public ExecutionResult execute(PolicyContext context) {
ViewInfo viewInfo = context.getProperty(
PolicyContext.PropertyName.TARGET_VIEW_INFO.getName(),
ViewInfo.class);
// Check if this is a plot view
if (viewInfo.getViewClass().equals(PlotViewManifestation.class)) {
// Get the telemetry component
FeedProvider provider = context.getProperty(
PolicyContext.PropertyName.TARGET_COMPONENT.getName(),
FeedProvider.class);
// Check if the feed type is String. We don't want to plot or
// graphicalmatize them
if (provider != null) {
if (provider.getFeedType() == FeedType.STRING) {
return new ExecutionResult(context, false, EM_STRING);
}
}
}
return new ExecutionResult(context, true, EM_STRING);
}
}