jjg@46: /* xdono@54: * Copyright 2007-2008 Sun Microsystems, Inc. All Rights Reserved. jjg@46: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. jjg@46: * jjg@46: * This code is free software; you can redistribute it and/or modify it jjg@46: * under the terms of the GNU General Public License version 2 only, as jjg@46: * published by the Free Software Foundation. Sun designates this jjg@46: * particular file as subject to the "Classpath" exception as provided jjg@46: * by Sun in the LICENSE file that accompanied this code. jjg@46: * jjg@46: * This code is distributed in the hope that it will be useful, but WITHOUT jjg@46: * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or jjg@46: * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License jjg@46: * version 2 for more details (a copy is included in the LICENSE file that jjg@46: * accompanied this code). jjg@46: * jjg@46: * You should have received a copy of the GNU General Public License version jjg@46: * 2 along with this work; if not, write to the Free Software Foundation, jjg@46: * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. jjg@46: * jjg@46: * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, jjg@46: * CA 95054 USA or visit www.sun.com if you need additional information or jjg@46: * have any questions. jjg@46: */ jjg@46: jjg@46: package com.sun.tools.javap; jjg@46: jjg@46: import java.io.PrintWriter; jjg@46: jjg@46: import com.sun.tools.classfile.AttributeException; jjg@46: import com.sun.tools.classfile.ConstantPoolException; jjg@46: import com.sun.tools.classfile.DescriptorException; jjg@46: jjg@46: /* jjg@46: * A writer similar to a PrintWriter but which does not hide exceptions. jjg@46: * The standard print calls are line-buffered; report calls write messages directly. jjg@46: * jjg@46: *
This is NOT part of any API supported by Sun Microsystems. If jjg@46: * you write code that depends on this, you do so at your own risk. jjg@46: * This code and its internal interfaces are subject to change or jjg@46: * deletion without notice. jjg@46: */ jjg@46: public class BasicWriter { jjg@46: protected BasicWriter(Context context) { jjg@46: lineWriter = LineWriter.instance(context); jjg@46: out = context.get(PrintWriter.class); jjg@46: } jjg@46: jjg@46: protected void print(String s) { jjg@46: lineWriter.print(s); jjg@46: } jjg@46: jjg@46: protected void print(Object o) { jjg@46: lineWriter.print(o == null ? null : o.toString()); jjg@46: } jjg@46: jjg@46: protected void println() { jjg@46: lineWriter.println(); jjg@46: } jjg@46: jjg@46: protected void println(String s) { jjg@46: lineWriter.print(s); jjg@46: lineWriter.println(); jjg@46: } jjg@46: jjg@46: protected void println(Object o) { jjg@46: lineWriter.print(o == null ? null : o.toString()); jjg@46: lineWriter.println(); jjg@46: } jjg@46: jjg@46: protected String report(AttributeException e) { jjg@46: out.println("Error: " + e.getMessage()); // i18n? jjg@46: return "???"; jjg@46: } jjg@46: jjg@46: protected String report(ConstantPoolException e) { jjg@46: out.println("Error: " + e.getMessage()); // i18n? jjg@46: return "???"; jjg@46: } jjg@46: jjg@46: protected String report(DescriptorException e) { jjg@46: out.println("Error: " + e.getMessage()); // i18n? jjg@46: return "???"; jjg@46: } jjg@46: jjg@46: protected String report(String msg) { jjg@46: out.println("Error: " + msg); // i18n? jjg@46: return "???"; jjg@46: } jjg@46: jjg@46: private LineWriter lineWriter; jjg@46: private PrintWriter out; jjg@46: jjg@46: private static class LineWriter { jjg@46: static LineWriter instance(Context context) { jjg@46: LineWriter instance = context.get(LineWriter.class); jjg@46: if (instance == null) jjg@46: instance = new LineWriter(context); jjg@46: return instance; jjg@46: } jjg@46: jjg@46: protected LineWriter(Context context) { jjg@46: context.put(LineWriter.class, this); jjg@46: out = context.get(PrintWriter.class); jjg@46: buffer = new StringBuilder(); jjg@46: } jjg@46: jjg@46: protected void print(String s) { jjg@46: if (s == null) jjg@46: s = "null"; jjg@46: for (int i = 0; i < s.length(); i++) { jjg@46: char c = s.charAt(i); jjg@46: if (c == '\n') { jjg@46: println(); jjg@46: } else { jjg@46: buffer.append(c); jjg@46: } jjg@46: } jjg@46: jjg@46: } jjg@46: jjg@46: protected void println() { jjg@46: out.println(buffer); jjg@46: buffer.setLength(0); jjg@46: } jjg@46: jjg@46: private PrintWriter out; jjg@46: private StringBuilder buffer; jjg@46: } jjg@46: } jjg@46: