Java tutorial
/* * JBoss, Home of Professional Open Source. * See the COPYRIGHT.txt file distributed with this work for information * regarding copyright ownership. Some portions may be licensed * to Red Hat, Inc. under one or more contributor license agreements. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA * 02110-1301 USA. */ package org.komodo.rest.relational.json; import java.io.IOException; import org.komodo.rest.relational.AbstractKomodoContentAttribute; import com.google.gson.TypeAdapter; import com.google.gson.stream.JsonReader; import com.google.gson.stream.JsonWriter; /** * A GSON serializer/deserializer for {@status AbstractKomodoContentAttribute}. */ public abstract class AbstractContentSerializer<T extends AbstractKomodoContentAttribute> extends TypeAdapter<T> { protected String readContent(final JsonReader in, final AbstractKomodoContentAttribute contentAttr, final String name) throws IOException { if (AbstractKomodoContentAttribute.CONTENT_LABEL.equals(name)) { contentAttr.setContent(in.nextString()); return name; } return null; } /** * {@inheritDoc} * * @see com.google.gson.TypeAdapter#read(com.google.gson.stream.JsonReader) */ @Override public abstract T read(final JsonReader in) throws IOException; protected void writeContent(final JsonWriter out, final AbstractKomodoContentAttribute value) throws IOException { out.name(AbstractKomodoContentAttribute.CONTENT_LABEL); out.value(value.getContent()); } /** * {@inheritDoc} * * @see com.google.gson.TypeAdapter#write(com.google.gson.stream.JsonWriter, java.lang.Object) */ @Override public abstract void write(final JsonWriter out, final T value) throws IOException; }