| /* |
| * Copyright 2000-2012 JetBrains s.r.o. |
| * |
| * 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 org.jetbrains.jps.builders.java.dependencyView; |
| |
| import com.intellij.util.io.DataExternalizer; |
| import com.intellij.util.io.DataInputOutputUtil; |
| import com.intellij.util.io.IOUtil; |
| import gnu.trove.TIntHashSet; |
| import gnu.trove.TIntProcedure; |
| import org.jetbrains.jps.builders.storage.BuildDataCorruptedException; |
| |
| import java.io.*; |
| import java.util.Collection; |
| |
| /** |
| * @author: db |
| * Date: 29.01.11 |
| */ |
| public class RW { |
| private RW() { |
| |
| } |
| |
| protected static String readUTF(DataInput in) throws IOException { |
| return IOUtil.readUTF(in); |
| } |
| |
| protected static void writeUTF(DataOutput out, String value) throws IOException { |
| IOUtil.writeUTF(out, value); |
| } |
| |
| public interface Savable { |
| void save(DataOutput out); |
| } |
| |
| public static <X extends Savable> void save(final X[] x, final DataOutput out) { |
| try { |
| DataInputOutputUtil.writeINT(out, x.length); |
| for (Savable s : x) { |
| s.save(out); |
| } |
| } |
| catch (IOException e) { |
| throw new BuildDataCorruptedException(e); |
| } |
| } |
| |
| public static <X> void save(final TIntHashSet x, final DataOutput out) { |
| try { |
| DataInputOutputUtil.writeINT(out, x.size()); |
| x.forEach(new TIntProcedure() { |
| @Override |
| public boolean execute(int value) { |
| try { |
| DataInputOutputUtil.writeINT(out, value); |
| return true; |
| } |
| catch (IOException e) { |
| throw new BuildDataCorruptedException(e); |
| } |
| } |
| }); |
| } |
| catch (IOException c) { |
| throw new BuildDataCorruptedException(c); |
| } |
| } |
| |
| public static <X> void save(final Collection<X> x, final DataExternalizer<X> e, final DataOutput out) { |
| try { |
| DataInputOutputUtil.writeINT(out, x.size()); |
| |
| for (X y : x) { |
| e.save(out, y); |
| } |
| } |
| catch (IOException c) { |
| throw new BuildDataCorruptedException(c); |
| } |
| } |
| |
| public static <X extends Savable> void save(final Collection<X> x, final DataOutput out) { |
| try { |
| final int size = x.size(); |
| |
| DataInputOutputUtil.writeINT(out, size); |
| |
| for (X s : x) { |
| s.save(out); |
| } |
| } |
| catch (IOException e) { |
| throw new BuildDataCorruptedException(e); |
| } |
| } |
| |
| public static <X> X[] read(final DataExternalizer<X> e, final DataInput in, final X[] result) { |
| try { |
| for (int i = 0; i < result.length; i++) { |
| result[i] = e.read(in); |
| } |
| |
| return result; |
| } |
| catch (IOException x) { |
| throw new BuildDataCorruptedException(x); |
| } |
| } |
| |
| public static TIntHashSet read(final TIntHashSet acc, final DataInput in) { |
| try { |
| final int size = DataInputOutputUtil.readINT(in); |
| |
| for (int i = 0; i<size; i++) { |
| acc.add(DataInputOutputUtil.readINT(in)); |
| } |
| |
| return acc; |
| } |
| catch (IOException x) { |
| throw new BuildDataCorruptedException(x); |
| } |
| } |
| |
| public static <X> Collection<X> read(final DataExternalizer<X> e, final Collection<X> acc, final DataInput in) { |
| try { |
| final int size = DataInputOutputUtil.readINT(in); |
| |
| for (int i = 0; i<size; i++) { |
| acc.add(e.read(in)); |
| } |
| |
| return acc; |
| } |
| catch (IOException x) { |
| throw new BuildDataCorruptedException(x); |
| } |
| } |
| |
| public interface Writable { |
| void write(BufferedWriter w); |
| } |
| |
| public interface ToWritable<T> { |
| Writable convert(T x); |
| } |
| |
| public static void writeln(final BufferedWriter w, final String s) { |
| try { |
| if (s == null) { |
| w.write(""); |
| } |
| else { |
| w.write(s); |
| } |
| w.newLine(); |
| } |
| catch (IOException e) { |
| throw new BuildDataCorruptedException(e); |
| } |
| } |
| |
| public interface Reader<T> { |
| T read(BufferedReader r); |
| } |
| |
| public static ToWritable<String> fromString = new ToWritable<String>() { |
| public Writable convert(final String s) { |
| return new Writable() { |
| public void write(BufferedWriter w) { |
| writeln(w, s); |
| } |
| }; |
| } |
| }; |
| |
| public static String readString(final BufferedReader r) { |
| try { |
| return r.readLine(); |
| } |
| catch (IOException e) { |
| throw new BuildDataCorruptedException(e); |
| } |
| } |
| |
| public static long readLong(final BufferedReader r) { |
| final String s = readString(r); |
| |
| try { |
| return Long.parseLong(s); |
| } |
| catch (Exception n) { |
| System.err.println("Parsing error: expected long, but found \"" + s + "\""); |
| return 0; |
| } |
| } |
| } |