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annotate graal/com.oracle.max.base/src/com/sun/max/io/ReadableSource.java @ 4222:8e2985cdaaa5

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Renaming of VMExits and VMEntries part 3.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Wed, 04 Jan 2012 21:13:44 +0100
parents e233f5660da4
children
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1 /*
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2 * Copyright (c) 2007, 2011, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package com.sun.max.io;
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24
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25 import java.io.*;
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26
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27 /**
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28 * A readable source is a character data source that provides a Reader to read the data.
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29 */
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30 public interface ReadableSource {
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31
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32 /**
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33 * @param buffered if true, the returned reader is guaranteed to be a BufferedReader
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34 *
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35 * @return a reader to read the character data represented by this source
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36 */
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37 Reader reader(boolean buffered) throws IOException;
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38
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39 public static final class Static {
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40
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41 private Static() {
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42
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43 }
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44
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45 /**
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46 * Creates a ReadableSource to provides readers for the characters in a string.
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47 */
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48 public static ReadableSource fromString(final String s) {
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49 return new ReadableSource() {
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50 public Reader reader(boolean buffered) throws IOException {
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51 return buffered ? new BufferedReader(new StringReader(s)) : new StringReader(s);
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52 }
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53 };
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54 }
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56 /**
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57 * Creates a ReadableSource to provides readers for the characters in a file.
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58 */
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59 public static ReadableSource fromFile(final File file) {
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60 return new ReadableSource() {
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61 public Reader reader(boolean buffered) throws IOException {
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62 return buffered ? new BufferedReader(new FileReader(file)) : new FileReader(file);
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63 }
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64 };
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65
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66 }
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67 }
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68 }