org.getcomposer.core.LicenseDeserializer.java Source code

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Here is the source code for org.getcomposer.core.LicenseDeserializer.java

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/*******************************************************************************
 * Copyright (c) 2012 The PDT Extension Group (https://github.com/pdt-eg)
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 ******************************************************************************/
package org.getcomposer.core;

import java.lang.reflect.GenericArrayType;
import java.lang.reflect.Type;

import com.google.gson.JsonArray;
import com.google.gson.JsonDeserializationContext;
import com.google.gson.JsonDeserializer;
import com.google.gson.JsonElement;
import com.google.gson.JsonParseException;
import com.google.gson.JsonPrimitive;

/**
 * 
 * @see http://getcomposer.org/doc/04-schema.md#license
 * @author Robert Gruendler <r.gruendler@gmail.com>
 * 
 */
public class LicenseDeserializer implements JsonDeserializer<License> {

    public License deserialize(JsonElement element, Type type, JsonDeserializationContext context)
            throws JsonParseException {

        License license = new License();

        if (element instanceof JsonArray) {
            JsonArray array = (JsonArray) element;
            String[] licences = new String[array.size()];
            int i = 0;
            for (Object o : array) {
                if (o instanceof String) {
                    licences[i++] = (String) o;
                } else if (o instanceof JsonPrimitive) {
                    JsonPrimitive prim = (JsonPrimitive) o;
                    licences[i++] = prim.getAsString();
                }
            }
            license.names = licences;
        } else if (type instanceof GenericArrayType) {
            JsonArray jsonArray = element.getAsJsonArray();
            String[] licenses = new String[jsonArray.size()];
            int i = 0;

            for (JsonElement child : jsonArray) {
                licenses[i++] = child.getAsString();
            }
            license.names = licenses;
        } else {
            license.names = new String[] { element.getAsString() };
        }

        return license;
    }
}