org.apereo.portal.json.WindowStateModule.java Source code

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Here is the source code for org.apereo.portal.json.WindowStateModule.java

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/**
 * Licensed to Apereo under one or more contributor license
 * agreements. See the NOTICE file distributed with this work
 * for additional information regarding copyright ownership.
 * Apereo 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 the following location:
 *
 *   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.apereo.portal.json;

import java.io.IOException;

import javax.portlet.WindowState;

import org.apache.commons.lang.StringUtils;
import org.apereo.portal.portlet.PortletUtils;

import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.deser.std.StdDeserializer;
import com.fasterxml.jackson.databind.module.SimpleModule;
import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;

public class WindowStateModule extends SimpleModule {
    private static final long serialVersionUID = 1L;

    public WindowStateModule() {
        super("WindowStateModule");

        this.addSerializer(WindowState.class, ToStringSerializer.instance);
        this.addDeserializer(WindowState.class, new WindowStateDeserializer());
    }

    private static class WindowStateDeserializer extends StdDeserializer<WindowState> {
        private static final long serialVersionUID = 1L;

        public WindowStateDeserializer() {
            super(WindowState.class);
        }

        @Override
        public WindowState deserialize(JsonParser jp, DeserializationContext ctxt)
                throws IOException, JsonProcessingException {

            final String text = StringUtils.trimToNull(jp.getText());
            if (text == null) {
                return null;
            }
            return PortletUtils.getWindowState(text);
        }
    }
}