001 /* 002 * SonarQube, open source software quality management tool. 003 * Copyright (C) 2008-2014 SonarSource 004 * mailto:contact AT sonarsource DOT com 005 * 006 * SonarQube is free software; you can redistribute it and/or 007 * modify it under the terms of the GNU Lesser General Public 008 * License as published by the Free Software Foundation; either 009 * version 3 of the License, or (at your option) any later version. 010 * 011 * SonarQube is distributed in the hope that it will be useful, 012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014 * Lesser General Public License for more details. 015 * 016 * You should have received a copy of the GNU Lesser General Public License 017 * along with this program; if not, write to the Free Software Foundation, 018 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 019 */ 020 package org.sonar.api.batch.sensor.measure.internal; 021 022 import com.google.common.base.Preconditions; 023 import org.sonar.api.batch.fs.InputFile; 024 import org.sonar.api.batch.measure.Metric; 025 import org.sonar.api.batch.sensor.measure.MeasureBuilder; 026 027 import java.io.Serializable; 028 029 public class DefaultMeasureBuilder<G extends Serializable> implements MeasureBuilder<G> { 030 031 boolean onProject = false; 032 InputFile file; 033 Metric<G> metric; 034 G value; 035 036 @Override 037 public DefaultMeasureBuilder<G> onFile(InputFile inputFile) { 038 Preconditions.checkState(!this.onProject, "onProject already called"); 039 Preconditions.checkState(this.file == null, "onFile already called"); 040 Preconditions.checkNotNull(inputFile, "InputFile should be non null"); 041 this.file = inputFile; 042 return this; 043 } 044 045 @Override 046 public DefaultMeasureBuilder<G> onProject() { 047 Preconditions.checkState(!this.onProject, "onProject already called"); 048 Preconditions.checkState(this.file == null, "onFile already called"); 049 this.onProject = true; 050 return this; 051 } 052 053 @Override 054 public DefaultMeasureBuilder<G> forMetric(Metric<G> metric) { 055 Preconditions.checkState(metric != null, "Metric already defined"); 056 Preconditions.checkNotNull(metric, "metric should be non null"); 057 this.metric = metric; 058 return this; 059 } 060 061 @Override 062 public DefaultMeasureBuilder<G> withValue(G value) { 063 Preconditions.checkState(this.value == null, "Measure value already defined"); 064 Preconditions.checkNotNull(value, "Measure value can't be null"); 065 this.value = value; 066 return this; 067 } 068 069 @Override 070 public DefaultMeasure<G> build() { 071 DefaultMeasure<G> result = new DefaultMeasure<G>(this); 072 reset(); 073 return result; 074 } 075 076 private void reset() { 077 onProject = false; 078 file = null; 079 metric = null; 080 value = null; 081 } 082 }