Java tutorial
/** * Copyright (C) 2015 Red Hat, Inc. (jcasey@redhat.com) * * 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. */ package com.redhat.red.build.koji.model.json.util; 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.redhat.red.build.koji.model.json.BuildSource; import java.io.IOException; import static org.apache.commons.lang.StringUtils.isEmpty; /** * Created by jdcasey on 2/10/16. */ public class BuildSourceDeserializer extends StdDeserializer<BuildSource> { public BuildSourceDeserializer() { super(BuildSource.class); } @Override public BuildSource deserialize(JsonParser jp, DeserializationContext ctxt) throws IOException, JsonProcessingException { String urlAndRev = jp.getText(); String[] parts = urlAndRev.split("#"); if (parts.length < 2 || isEmpty(parts[0]) || isEmpty(parts[1])) { throw new KojiJsonException( "Invalid build-source: '" + urlAndRev + "'. Must be of format '<base-url>#<commit-ish>'", jp.getCurrentLocation()); } return new BuildSource(parts[0], parts[1]); } }