Java FileUtils.readFully方法代码示例

import org.apache.tools.ant.util.FileUtils; //导入方法依赖的package包/类
@Test
public void testBuildfile() throws IOException {
    buildRule.configureProject(DIR + "/cdataoutput.xml");
    if (buildRule.getProject().getProperty("cdata.inner") == null) {
        // avoid endless loop
        buildRule.executeTarget("run-junit");
        File f = buildRule.getProject().resolveFile(REPORT);
        FileReader reader = null;
        try {
            reader = new FileReader(f);
            String content = FileUtils.readFully(reader);
            assertTrue(content.indexOf("</RESPONSE>&#x5d;&#x5d;&gt;"
                                       + "</ERROR>") > 0);
        } finally {
            if (reader != null) {
                reader.close();
            }
            f.delete();
        }
    }
}
 

import org.apache.tools.ant.util.FileUtils; //导入方法依赖的package包/类
@Test
public void testLogUTF8Echo() throws IOException {
    Project p = new Project();
    p.init();
    EchoTestLogger logger = new EchoTestLogger();
    p.addBuildListener(logger);
    Echo echo = new Echo();
    echo.setProject(p);
    echo.setTaskName("testLogUTF8Echo");
    echo.setMessage("\u00e4\u00a9");
    removeThis = new File("abc.txt");
    echo.setFile(removeThis);
    echo.setEncoding("UTF-8");
    echo.execute();
    String x = FileUtils.readFully(new InputStreamReader(new FileInputStream(removeThis), "UTF-8"));
    assertEquals(x,"\u00e4\u00a9");
}
 

import org.apache.tools.ant.util.FileUtils; //导入方法依赖的package包/类
/**
 * Reads the output file into a string
 * 
 * @param conf
 * @return
 * @throws IOException
 */
public String readOutputFile(Configuration conf) throws IOException {
  FileSystem localFs = FileSystem.getLocal(conf);
  Path file = new Path(outputDir, "part-00000");
  Reader reader = new InputStreamReader(localFs.open(file));
  String r = FileUtils.readFully(reader);
  reader.close();
  return r;
}
 

import org.apache.tools.ant.util.FileUtils; //导入方法依赖的package包/类
/**
 * Reads the output file into a string
 *
 * @param conf
 * @return
 * @throws IOException
 */
public String readOutputFile(Configuration conf) throws IOException {
  FileSystem localFs = FileSystem.getLocal(conf);
  Path file = new Path(outputDir, "part-r-00000");
  Reader reader = new InputStreamReader(localFs.open(file));
  String r = FileUtils.readFully(reader);
  reader.close();
  return r;
}
 

import org.apache.tools.ant.util.FileUtils; //导入方法依赖的package包/类
public List<String> getKeyRings() throws IOException {
	List<String> keys = new ArrayList<String>();
	for (Resource resource : keyrings) {
		log("Include keyring: " + resource.getName());
		String key = FileUtils.readFully(new InputStreamReader(resource.getInputStream(), StandardCharsets.US_ASCII));
		if (key != null) {
			keys.add(normalizeKey(key)); // make sure to normalize line endings
		}
	}
	return keys;
}
 

import org.apache.tools.ant.util.FileUtils; //导入方法依赖的package包/类
@Test
public void testFileResourceWithFilter() {
    buildRule.executeTarget("testFileResourceWithFilter");
    File file1 = new File(buildRule.getProject().getProperty("to.dir") + "/fileNR.txt");
    assertTrue(file1.exists());
    try {
        try (FileReader f = new FileReader(file1)) {
            String file1Content = FileUtils.readFully(f);
            assertEquals("This is file 42", file1Content);
        }
    } catch (IOException e) {
        // no-op: not a real business error
    }
}
 

import org.apache.tools.ant.util.FileUtils; //导入方法依赖的package包/类
/**
 * Tests that the {@code copy} task doesn't corrupt the source file, if the target of the copy operation is a symlink
 * to the source file being copied
 *
 * @throws Exception if something goes wrong
 * @see <a href="https://bz.apache.org/bugzilla/show_bug.cgi?id=60644">issue 60644</a>
 */
@Test
public void testCopyToSymlinkedSelf() throws Exception {
    // we are only going to test against systems that support symlinks
    Assume.assumeTrue("Symlinks not supported on this operating system", Os.isFamily(Os.FAMILY_UNIX));

    // setup the source files to run copying against
    buildRule.executeTarget("setupSelfCopyTesting");
    final File testDir = new File(buildRule.getProject().getProperty("self.copy.test.root.dir"));
    Assert.assertTrue(testDir + " was expected to be a directory", testDir.isDirectory());
    final File srcFile = new File(testDir, "file.txt");
    Assert.assertTrue("Source file " + srcFile + " was expected to be a file", srcFile.isFile());
    final long originalFileSize = srcFile.length();
    final String originalContent;
    final BufferedReader reader = new BufferedReader(new FileReader(srcFile));
    try {
        originalContent = FileUtils.readFully(reader);
    } finally {
        reader.close();
    }
    Assert.assertTrue("Content missing in file " + srcFile, originalContent != null && originalContent.length() > 0);

    // run the copy tests
    buildRule.executeTarget("testSelfCopy");
    // make sure the source file hasn't been impacted by the copy
    assertSizeAndContent(srcFile, originalFileSize, originalContent);
    final File symlinkedFile = new File(testDir, "sylmink-file.txt");
    Assert.assertTrue(symlinkedFile + " was expected to be a file", symlinkedFile.isFile());
    assertSizeAndContent(symlinkedFile, originalFileSize, originalContent);

    final File symlinkedTestDir = new File(buildRule.getProject().getProperty("self.copy.test.symlinked.dir"));
    Assert.assertTrue(symlinkedTestDir + " was expected to be a directory", symlinkedTestDir.isDirectory());
    assertSizeAndContent(new File(symlinkedTestDir, "file.txt"), originalFileSize, originalContent);
    assertSizeAndContent(new File(symlinkedTestDir, "sylmink-file.txt"), originalFileSize, originalContent);

}
 

import org.apache.tools.ant.util.FileUtils; //导入方法依赖的package包/类
private void assertSizeAndContent(final File file, final long expectedSize, final String expectedContent) throws IOException {
    Assert.assertTrue(file + " was expected to be a file", file.isFile());
    Assert.assertEquals("Unexpected size of file " + file, expectedSize, file.length());
    final BufferedReader reader = new BufferedReader(new FileReader(file));
    final String content;
    try {
        content = FileUtils.readFully(reader);
    } finally {
        reader.close();
    }
    Assert.assertEquals("Unexpected content in file " + file, expectedContent, content);
}
 

import org.apache.tools.ant.util.FileUtils; //导入方法依赖的package包/类
@Test
public void testStackTraceLineBreaks() throws Exception {
    buildRule.executeTarget("testStackTraceLineBreaks");
    assertIndexCreated();
    FileReader r = null;
    try {
        r = new FileReader(new File(buildRule.getOutputDir(), "html/sampleproject/coins/0_CoinTest.html"));
        String report = FileUtils.readFully(r);
        assertContains("output must contain <br>:\n" + report, "junit.framework.AssertionFailedError: DOEG<br>", report);
        assertContains("#51049: output must translate line breaks:\n" + report, "cur['line.separator'] = '\\r\\n';", report);
    } finally {
        FileUtils.close(r);
    }
}
 

import org.apache.tools.ant.util.FileUtils; //导入方法依赖的package包/类
private String getFileString(String filename) throws IOException {
    Reader r = null;
    try {
        r = new FileReader(FILE_UTILS.resolveFile(buildRule.getProject().getBaseDir(),filename));
        return  FileUtils.readFully(r);
    }
    finally {
        FileUtils.close(r);
    }
}
 

import org.apache.tools.ant.util.FileUtils; //导入方法依赖的package包/类
/**
 * Reads the contents of a file into a String.
 * @param file the file to read.
 * @return the contents of the given file as a string.
 * @throws IOException on error reading the file (not existing, not readable etc)
 */
public static String getFileContents(File file) throws IOException {
        FileReader rdr = null;
        try {
            rdr = new FileReader(file);
            return FileUtils.readFully(rdr);
        }
        finally {
            if (rdr != null) {
            rdr.close();
        }
    }
}
 

import org.apache.tools.ant.util.FileUtils; //导入方法依赖的package包/类
public String loadGraphQLRequest(String fileName) throws IOException {
    try (InputStream in = PersistentResourceFetcherTest.class.getResourceAsStream("/graphql/requests/" + fileName)) {
        return FileUtils.readFully(new InputStreamReader(in));
    }
}
 

import org.apache.tools.ant.util.FileUtils; //导入方法依赖的package包/类
public String loadGraphQLResponse(String fileName) throws IOException {
    try (InputStream in = PersistentResourceFetcherTest.class.getResourceAsStream("/graphql/responses/" + fileName)) {
        return FileUtils.readFully(new InputStreamReader(in));
    }
}
 

import org.apache.tools.ant.util.FileUtils; //导入方法依赖的package包/类
public List<Map<String, Object>> getPackages() throws IOException {
	List<Map<String, Object>> packages = new ArrayList<Map<String, Object>>();

	for (SPK spk : spks) {
		log("Include SPK: " + spk.file.getName());

		// make sure file is cached locally
		if (spk.url != null) {
			log("Using " + spk.url);
			if (!spk.file.exists()) {
				spk.file.getParentFile().mkdirs();
			}
			if (spk.url == null) {
				spk.url = spk.url;
			}
			Get get = new Get();
			get.bindToOwner(this);
			get.setQuiet(true);
			get.setUseTimestamp(true);
			get.setSrc(spk.url);
			get.setDest(spk.file);
			get.execute();
		} else {
			log("Using " + spk.file);
		}

		// import SPK INFO
		Map<String, Object> info = new LinkedHashMap<String, Object>();

		TarFileSet tar = new TarFileSet();
		tar.setProject(getProject());
		tar.setSrc(spk.file);
		tar.setIncludes(INFO);
		for (Resource resource : tar) {
			if (INFO.equals(resource.getName())) {
				String text = FileUtils.readFully(new InputStreamReader(resource.getInputStream(), StandardCharsets.UTF_8));
				for (String line : NEWLINE.split(text)) {
					String[] s = line.split("=", 2);
					if (s.length == 2) {
						if (s[1].startsWith("\"") && s[1].endsWith("\"")) {
							s[1] = s[1].substring(1, s[1].length() - 1);
						}
						importSpkInfo(info, s[0], s[1]);
					}
				}
			}
		}
		log(String.format("Imported %d fields from SPK: %s", info.size(), info.keySet()));

		// add thumbnails and snapshots
		if (spk.thumbnail.size() > 0) {
			info.put(THUMBNAIL, spk.thumbnail.toArray(new String[0]));
		}
		if (spk.snapshot.size() > 0) {
			info.put(SNAPSHOT, spk.snapshot.toArray(new String[0]));
		}

		// add user-defined fields
		info.putAll(spk.infoList);

		// automatically generate file size and checksum fields
		if (!info.containsKey(LINK)) {
			info.put(LINK, spk.url);
		}

		info.put(MD5, md5(spk.file));
		info.put(SHA256, sha256(spk.file));
		info.put(SIZE, spk.file.length());

		packages.add(info);
	}

	return packages;
}
 

import org.apache.tools.ant.util.FileUtils; //导入方法依赖的package包/类
/**
 * Reads to the end of the stream, returning the contents as a String.
 *
 * @return the remaining contents of the reader, as a String
 *
 * @exception IOException if the underlying reader throws one during
 *            reading
 */
protected final String readFully() throws IOException {
    return FileUtils.readFully(in, BUFFER_SIZE);
}