jdk8-mips64-public/langtools: comparison src/share/classes/com/sun/tools/sjavac/comp/SmartFileObject.java

--1:000000000000
+:959103a6100f
+/*
+* Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
+* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+*
+* This code is free software; you can redistribute it and/or modify it
+* under the terms of the GNU General Public License version 2 only, as
+* published by the Free Software Foundation.  Oracle designates this
+* particular file as subject to the "Classpath" exception as provided
+* by Oracle in the LICENSE file that accompanied this code.
+*
+* This code 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
+* version 2 for more details (a copy is included in the LICENSE file that
+* accompanied this code).
+*
+* You should have received a copy of the GNU General Public License version
+* 2 along with this work; if not, write to the Free Software Foundation,
+* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+*
+* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+* or visit www.oracle.com if you need additional information or have any
+* questions.
+*/
+package com.sun.tools.sjavac.comp;
+import java.io.*;
+import java.net.URI;
+import javax.lang.model.element.Modifier;
+import javax.lang.model.element.NestingKind;
+import javax.tools.JavaFileObject;
+/**
+* The SmartFileObject will return an outputstream that cache the written data
+* and compare the new content with the old content on disk. Only if they differ,
+* will the file be updated.
+*
+* <p><b>This is NOT part of any supported API.
+* If you write code that depends on this, you do so at your own
+* risk.  This code and its internal interfaces are subject to change
+* or deletion without notice.</b></p>
+*/
+public class SmartFileObject implements JavaFileObject {
+JavaFileObject file;
+PrintWriter stdout;
+public SmartFileObject(JavaFileObject r, PrintWriter pw) {
+file = r;
+stdout = pw;
+}
+@Override
+public boolean equals(Object other) {
+return file.equals(other);
+}
+@Override
+public int hashCode() {
+return file.hashCode();
+}
+public Kind getKind() {
+return file.getKind();
+}
+public boolean isNameCompatible(String simpleName, Kind kind) {
+return file.isNameCompatible(simpleName, kind);
+}
+public URI toUri() {
+return file.toUri();
+}
+public String getName() {
+return file.getName();
+}
+public InputStream openInputStream() throws IOException {
+return file.openInputStream();
+}
+public OutputStream openOutputStream() throws IOException {
+return file.openOutputStream();
+}
+public CharSequence getCharContent(boolean ignoreEncodingErrors) throws IOException {
+return file.getCharContent(ignoreEncodingErrors);
+}
+static String lineseparator = System.getProperty("line.separator");
+public Writer openWriter() throws IOException {
+StringBuilder s = new StringBuilder();
+try (BufferedReader r = new BufferedReader(file.openReader(true))) {
+while (r.ready()) {
+s.append(r.readLine()+lineseparator);
+}
+} catch (FileNotFoundException e) {
+// Perfectly ok.
+}
+return new SmartWriter(file, s.toString(), file.getName(), stdout);
+}
+public long getLastModified() {
+return file.getLastModified();
+}
+public boolean delete() {
+return file.delete();
+}
+public Modifier getAccessLevel() {
+return file.getAccessLevel();
+}
+public NestingKind getNestingKind() {
+return file.getNestingKind();
+}
+public Reader openReader(boolean ignoreEncodingErrors) throws IOException {
+return file.openReader(ignoreEncodingErrors);
+}
+}

Mercurial > jdk8-mips64-public > langtools / file comparison

comparison: src/share/classes/com/sun/tools/sjavac/comp/SmartFileObject.java

src/share/classes/com/sun/tools/sjavac/comp/SmartFileObject.java