diff options
Diffstat (limited to 'third_party/java/proguard/proguard5.3.3/src/proguard/classfile/io/RuntimeDataOutput.java')
| -rw-r--r-- | third_party/java/proguard/proguard5.3.3/src/proguard/classfile/io/RuntimeDataOutput.java | 261 |
1 files changed, 261 insertions, 0 deletions
diff --git a/third_party/java/proguard/proguard5.3.3/src/proguard/classfile/io/RuntimeDataOutput.java b/third_party/java/proguard/proguard5.3.3/src/proguard/classfile/io/RuntimeDataOutput.java new file mode 100644 index 0000000000..781c6c9e5d --- /dev/null +++ b/third_party/java/proguard/proguard5.3.3/src/proguard/classfile/io/RuntimeDataOutput.java @@ -0,0 +1,261 @@ +/* + * ProGuard -- shrinking, optimization, obfuscation, and preverification + * of Java bytecode. + * + * Copyright (c) 2002-2017 Eric Lafortune @ GuardSquare + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + * + * This program 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 General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +package proguard.classfile.io; + +import java.io.*; + +/** + * This class delegates its method calls to the corresponding DataOutput methods, + * converting its IOExceptions to RuntimeExceptions. + * + * The class provides two convenience methods that additionally check whether the + * written values are unsigned resp. signed short values before writing them. + * + * @author Eric Lafortune + */ +final class RuntimeDataOutput +{ + private final DataOutput dataOutput; + + + public RuntimeDataOutput(DataOutput dataOutput) + { + this.dataOutput = dataOutput; + } + + + // Methods delegating to DataOutput. + + public void write(byte[] b) + { + try + { + dataOutput.write(b); + } + catch (IOException ex) + { + throw new RuntimeException(ex.getMessage()); + } + } + + + public void write(byte[] b, int off, int len) + { + try + { + dataOutput.write(b, off, len); + } + catch (IOException ex) + { + throw new RuntimeException(ex.getMessage()); + } + } + + + public void write(int b) + { + try + { + dataOutput.write(b); + } + catch (IOException ex) + { + throw new RuntimeException(ex.getMessage()); + } + } + + + public void writeBoolean(boolean v) + { + try + { + dataOutput.writeBoolean(v); + } + catch (IOException ex) + { + throw new RuntimeException(ex.getMessage()); + } + } + + + public void writeByte(int v) + { + try + { + dataOutput.writeByte(v); + } + catch (IOException ex) + { + throw new RuntimeException(ex.getMessage()); + } + } + + + public void writeBytes(String s) + { + try + { + dataOutput.writeBytes(s); + } + catch (IOException ex) + { + throw new RuntimeException(ex.getMessage()); + } + } + + + public void writeChar(int v) + { + try + { + dataOutput.writeChar(v); + } + catch (IOException ex) + { + throw new RuntimeException(ex.getMessage()); + } + } + + + public void writeChars(String s) + { + try + { + dataOutput.writeChars(s); + } + catch (IOException ex) + { + throw new RuntimeException(ex.getMessage()); + } + } + + + public void writeDouble(double v) + { + try + { + dataOutput.writeDouble(v); + } + catch (IOException ex) + { + throw new RuntimeException(ex.getMessage()); + } + } + + + public void writeFloat(float v) + { + try + { + dataOutput.writeFloat(v); + } + catch (IOException ex) + { + throw new RuntimeException(ex.getMessage()); + } + } + + + public void writeInt(int v) + { + try + { + dataOutput.writeInt(v); + } + catch (IOException ex) + { + throw new RuntimeException(ex.getMessage()); + } + } + + + public void writeLong(long v) + { + try + { + dataOutput.writeLong(v); + } + catch (IOException ex) + { + throw new RuntimeException(ex.getMessage()); + } + } + + + /** + * Checks if the given value is an unsigned short value before writing it. + * + * @throws IllegalArgumentException if the value is not an unsigned short value. + * @see #writeShort(int) + */ + public void writeUnsignedShort(int v) + { + if ((v & 0xffff) != v) + { + throw new IllegalArgumentException("Overflow of unsigned short value ["+v+"]"); + } + + writeShort(v); + } + + + /** + * Checks if the given value is a signed short value before writing it. + * + * @throws IllegalArgumentException if the value is not a signed short value. + * @see #writeShort(int) + */ + public void writeSignedShort(int v) + { + if ((short)v != v) + { + throw new IllegalArgumentException("Overflow of signed short value ["+v+"]"); + } + + writeShort(v); + } + + + public void writeShort(int v) + { + try + { + dataOutput.writeShort(v); + } + catch (IOException ex) + { + throw new RuntimeException(ex.getMessage()); + } + } + + + public void writeUTF(String str) + { + try + { + dataOutput.writeUTF(str); + } + catch (IOException ex) + { + throw new RuntimeException(ex.getMessage()); + } + } +} |