jdk8-mips64-public/langtools: src/share/classes/javax/tools/SimpleJavaFileObject.java@2eb010b6cb22 (annotated)

src/share/classes/javax/tools/SimpleJavaFileObject.java@2eb010b6cb22 (annotated)

src/share/classes/javax/tools/SimpleJavaFileObject.java

Thu, 31 Aug 2017 15:17:03 +0800

author: aoqi
date: Thu, 31 Aug 2017 15:17:03 +0800
changeset 2525: 2eb010b6cb22
parent 554: 9d9f26857129
parent 0: 959103a6100f
permissions: -rw-r--r--

merge

 /*
  * Copyright (c) 2005, 2006, 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 javax.tools;
 import java.io.*;
 import java.net.URI;
 import java.nio.CharBuffer;
 import javax.lang.model.element.Modifier;
 import javax.lang.model.element.NestingKind;
 import javax.tools.JavaFileObject.Kind;
 /**
  * Provides simple implementations for most methods in JavaFileObject.
  * This class is designed to be subclassed and used as a basis for
  * JavaFileObject implementations.  Subclasses can override the
  * implementation and specification of any method of this class as
  * long as the general contract of JavaFileObject is obeyed.
  *
  * @author Peter von der Ah&eacute;
  * @since 1.6
  */
 public class SimpleJavaFileObject implements JavaFileObject {
     /**
      * A URI for this file object.
      */
     protected final URI uri;
     /**
      * The kind of this file object.
      */
     protected final Kind kind;
     /**
      * Construct a SimpleJavaFileObject of the given kind and with the
      * given URI.
      *
      * @param uri  the URI for this file object
      * @param kind the kind of this file object
      */
     protected SimpleJavaFileObject(URI uri, Kind kind) {
         // null checks
         uri.getClass();
         kind.getClass();
         if (uri.getPath() == null)
             throw new IllegalArgumentException("URI must have a path: " + uri);
         this.uri = uri;
         this.kind = kind;
     }
     public URI toUri() {
         return uri;
     }
     public String getName() {
         return toUri().getPath();
     }
     /**
      * This implementation always throws {@linkplain
      * UnsupportedOperationException}.  Subclasses can change this
      * behavior as long as the contract of {@link FileObject} is
      * obeyed.
      */
     public InputStream openInputStream() throws IOException {
         throw new UnsupportedOperationException();
     }
     /**
      * This implementation always throws {@linkplain
      * UnsupportedOperationException}.  Subclasses can change this
      * behavior as long as the contract of {@link FileObject} is
      * obeyed.
      */
     public OutputStream openOutputStream() throws IOException {
         throw new UnsupportedOperationException();
     }
     /**
      * Wraps the result of {@linkplain #getCharContent} in a Reader.
      * Subclasses can change this behavior as long as the contract of
      * {@link FileObject} is obeyed.
      *
      * @param  ignoreEncodingErrors {@inheritDoc}
      * @return a Reader wrapping the result of getCharContent
      * @throws IllegalStateException {@inheritDoc}
      * @throws UnsupportedOperationException {@inheritDoc}
      * @throws IOException {@inheritDoc}
      */
     public Reader openReader(boolean ignoreEncodingErrors) throws IOException {
         CharSequence charContent = getCharContent(ignoreEncodingErrors);
         if (charContent == null)
             throw new UnsupportedOperationException();
         if (charContent instanceof CharBuffer) {
             CharBuffer buffer = (CharBuffer)charContent;
             if (buffer.hasArray())
                 return new CharArrayReader(buffer.array());
         }
         return new StringReader(charContent.toString());
     }
     /**
      * This implementation always throws {@linkplain
      * UnsupportedOperationException}.  Subclasses can change this
      * behavior as long as the contract of {@link FileObject} is
      * obeyed.
      */
     public CharSequence getCharContent(boolean ignoreEncodingErrors) throws IOException {
         throw new UnsupportedOperationException();
     }
     /**
      * Wraps the result of openOutputStream in a Writer.  Subclasses
      * can change this behavior as long as the contract of {@link
      * FileObject} is obeyed.
      *
      * @return a Writer wrapping the result of openOutputStream
      * @throws IllegalStateException {@inheritDoc}
      * @throws UnsupportedOperationException {@inheritDoc}
      * @throws IOException {@inheritDoc}
      */
     public Writer openWriter() throws IOException {
         return new OutputStreamWriter(openOutputStream());
     }
     /**
      * This implementation returns {@code 0L}.  Subclasses can change
      * this behavior as long as the contract of {@link FileObject} is
      * obeyed.
      *
      * @return {@code 0L}
      */
     public long getLastModified() {
         return 0L;
     }
     /**
      * This implementation does nothing.  Subclasses can change this
      * behavior as long as the contract of {@link FileObject} is
      * obeyed.
      *
      * @return {@code false}
      */
     public boolean delete() {
         return false;
     }
     /**
      * @return {@code this.kind}
      */
     public Kind getKind() {
         return kind;
     }
     /**
      * This implementation compares the path of its URI to the given
      * simple name.  This method returns true if the given kind is
      * equal to the kind of this object, and if the path is equal to
      * {@code simpleName + kind.extension} or if it ends with {@code
      * "/" + simpleName + kind.extension}.
      *
      * <p>This method calls {@link #getKind} and {@link #toUri} and
      * does not access the fields {@link #uri} and {@link #kind}
      * directly.
      *
      * <p>Subclasses can change this behavior as long as the contract
      * of {@link JavaFileObject} is obeyed.
      */
     public boolean isNameCompatible(String simpleName, Kind kind) {
         String baseName = simpleName + kind.extension;
         return kind.equals(getKind())
             && (baseName.equals(toUri().getPath())
                 || toUri().getPath().endsWith("/" + baseName));
     }
     /**
      * This implementation returns {@code null}.  Subclasses can
      * change this behavior as long as the contract of
      * {@link JavaFileObject} is obeyed.
      */
     public NestingKind getNestingKind() { return null; }
     /**
      * This implementation returns {@code null}.  Subclasses can
      * change this behavior as long as the contract of
      * {@link JavaFileObject} is obeyed.
      */
     public Modifier getAccessLevel()  { return null; }
     @Override
     public String toString() {
         return getClass().getName() + "[" + toUri() + "]";
     }
 }

Mercurial > jdk8-mips64-public > langtools / annotate

src/share/classes/javax/tools/SimpleJavaFileObject.java@2eb010b6cb22 (annotated)

src/share/classes/javax/tools/SimpleJavaFileObject.java