Java tutorial
package net.osgiliath.features.karaf.jaxrs.web.impl; /* * #%L * net.osgiliath.features.karaf-features.itests.jaxrs.web * %% * Copyright (C) 2013 - 2014 Osgiliath corp * %% * 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. * #L% */ import com.google.common.base.Function; import com.google.common.collect.Iterables; import com.google.common.collect.Lists; import java.util.ArrayList; import java.util.Collection; import net.osgiliath.features.karaf.jaxrs.web.HelloServiceJaxRS; import net.osgiliath.features.karaf.jaxrs.web.model.HelloObject; import net.osgiliath.features.karaf.jaxrs.web.model.Hellos; /** * REST service implementation. * * @author charliemordant */ public class HelloServiceImpl implements HelloServiceJaxRS { /** * Instance collection. */ private final transient Collection<HelloObject> objects = new ArrayList<HelloObject>(); /** * Saves instances. * * @param helloObject * the element to save */ @Override public final void persistHello(final HelloObject helloObject) { this.objects.add(helloObject); } /** * return instances. * * @return all elements */ @Override public Hellos getHellos() { return new Hellos(Lists.newArrayList(Iterables.transform(this.objects, new Function<HelloObject, String>() { @Override public String apply(final HelloObject input) { return input.getHelloMessage(); } }))); } /** * Deletes all elements. */ @Override public void deleteHellos() { this.objects.clear(); } }