Example usage for java.io FileReader read

Introduction

In this page you can find the example usage for java.io FileReader read.

Prototype

public int read(java.nio.CharBuffer target) throws IOException 

Source Link

Document

Attempts to read characters into the specified character buffer.

Usage

From source file:net.ytbolg.mcxa.ForgeCheck.java

static String ReadFile(String path) throws FileNotFoundException, IOException {

    File file = new File(path);
    FileReader r = new FileReader(file);
    char c[] = new char[(int) file.length()];
    r.read(c);

    r.close();/*from   ww w  . j  a  v a2  s.co  m*/
    return String.valueOf(c);
}

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From source file:com.alibaba.rocketmq.common.MixAll.java

public static final String file2String(final String fileName) {
    File file = new File(fileName);
    if (file.exists()) {
        char[] data = new char[(int) file.length()];
        boolean result = false;

        FileReader fileReader = null;
        try {//from w  ww  .j a v a2s. co m
            fileReader = new FileReader(file);
            int len = fileReader.read(data);
            result = (len == data.length);
        } catch (IOException e) {
            // e.printStackTrace();
        } finally {
            if (fileReader != null) {
                try {
                    fileReader.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }

        if (result) {
            String value = new String(data);
            return value;
        }
    }
    return null;
}

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From source file:org.openqa.selenium.server.browserlaunchers.LauncherUtils.java

public static boolean isScriptFile(File aFile) {
    final char firstTwoChars[] = new char[2];
    final FileReader reader;
    int charsRead;

    try {/*  w w  w . ja  va2  s .  com*/
        reader = new FileReader(aFile);
        charsRead = reader.read(firstTwoChars);
        if (2 != charsRead) {
            return false;
        }
        return (firstTwoChars[0] == '#' && firstTwoChars[1] == '!');
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}

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From source file:org.apache.flex.forks.velocity.util.StringUtils.java

/**
 * Read the contents of a file and place them in
 * a string object.//from   w  ww.  ja  va2s  .  c  o m
 *
 * @param String path to file.
 * @return String contents of the file.
 */
public static String fileContentsToString(String file) {
    String contents = "";

    File f = new File(file);

    if (f.exists()) {
        try {
            FileReader fr = new FileReader(f);
            char[] template = new char[(int) f.length()];
            fr.read(template);
            contents = new String(template);
        } catch (Exception e) {
            System.out.println(e);
            e.printStackTrace();
        }
    }

    return contents;
}

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From source file:org.eclipse.orion.internal.server.core.metastore.SimpleMetaStoreUtil.java

/**
 * Get the JSON from the MetaFile in the provided parent folder. 
 * @param parent The parent folder./*from w  w  w.  j a v  a 2 s.  c  o m*/
 * @param name The name of the MetaFile
 * @return The JSON containing the data in the MetaFile.
 */
public static JSONObject readMetaFile(File parent, String name) {
    JSONObject jsonObject;
    try {
        if (!isMetaFile(parent, name)) {
            return null;
        }
        File savedFile = retrieveMetaFile(parent, name);

        FileReader fileReader = new FileReader(savedFile);
        char[] chars = new char[(int) savedFile.length()];
        fileReader.read(chars);
        fileReader.close();
        jsonObject = new JSONObject(new String(chars));
    } catch (FileNotFoundException e) {
        throw new RuntimeException("Meta File Error, file not found", e);
    } catch (IOException e) {
        throw new RuntimeException("Meta File Error, file IO error", e);
    } catch (JSONException e) {
        throw new RuntimeException("Meta File Error, could not build JSON", e);
    }
    return jsonObject;
}

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From source file:org.dbflute.task.bs.DfAbstractTexenTask.java

protected static String fileContentsToString(String filePath) {
    String contents = "";
    final File file = new File(filePath);
    if (file.exists()) {
        FileReader fr = null;
        try {// www  . jav  a2s  .  c  o  m
            fr = new FileReader(file);
            final char template[] = new char[(int) file.length()];
            fr.read(template);
            contents = new String(template);
        } catch (Exception e) {
            throw new IllegalStateException("Failed to read the file: " + filePath, e);
        } finally {
            if (fr != null) {
                try {
                    fr.close();
                } catch (IOException ignored) {
                }
            }
        }
    }
    return contents;
}

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From source file:org.seasar.dbflute.task.bs.DfAbstractTexenTask.java

private static String fileContentsToString(String file) {
    String contents = "";
    File f = new File(file);
    if (f.exists()) {
        FileReader fr = null;
        try {//from w ww . jav  a  2 s .c o m
            fr = new FileReader(f);
            char template[] = new char[(int) f.length()];
            fr.read(template);
            contents = new String(template);
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            if (fr != null) {
                try {
                    fr.close();
                } catch (IOException ignored) {
                }
            }
        }
    }
    return contents;
}

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From source file:org.sharegov.cirm.utils.GenUtils.java

public static String readTextFile(File f) {
    try {/*from w w w. jav a 2s  . c  o m*/
        FileReader reader = new FileReader(f);
        StringBuilder sb = new StringBuilder();
        try {
            char[] buf = new char[4096];
            for (int cnt = reader.read(buf); cnt > -1; cnt = reader.read(buf))
                sb.append(buf, 0, cnt);
        } finally {
            reader.close();
        }
        return sb.toString();
    } catch (IOException ex) {
        throw new RuntimeException(ex);
    }
}

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From source file:org.apache.axis2.corba.receivers.CorbaUtil.java

public static org.omg.CORBA.Object resolveObject(AxisService service, org.omg.CORBA_2_3.ORB orb)
        throws CorbaInvocationException {
    org.omg.CORBA.Object obj;/*from   www  .  j  ava2s . c o  m*/
    try {
        Parameter namingServiceUrl = service.getParameter(NAMING_SERVICE_URL);
        Parameter objectName = service.getParameter(OBJECT_NAME);
        Parameter iorFilePath = service.getParameter(IOR_FILE_PATH);
        Parameter iorString = service.getParameter(IOR_STRING);

        if (namingServiceUrl != null && objectName != null) {
            obj = orb.string_to_object(((String) namingServiceUrl.getValue()).trim());
            NamingContextExt nc = NamingContextExtHelper.narrow(obj);
            obj = nc.resolve(nc.to_name(((String) objectName.getValue()).trim()));
        } else if (iorFilePath != null) {
            FileReader fileReader = new FileReader(((String) iorFilePath.getValue()).trim());
            char[] buf = new char[1000];
            fileReader.read(buf);
            obj = orb.string_to_object((new String(buf)).trim());
            fileReader.close();
        } else if (iorString != null) {
            obj = orb.string_to_object(((String) iorString.getValue()).trim());
        } else {
            throw new CorbaInvocationException("cannot resolve object");
        }

    } catch (NotFound notFound) {
        throw new CorbaInvocationException("cannot resolve object", notFound);
    } catch (CannotProceed cannotProceed) {
        throw new CorbaInvocationException("cannot resolve object", cannotProceed);
    } catch (InvalidName invalidName) {
        throw new CorbaInvocationException("cannot resolve object", invalidName);
    } catch (IOException e) {
        throw new CorbaInvocationException("cannot resolve object", e);
    }
    return obj;
}

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From source file:com.googlecode.t7mp.CommonsSetupUtilTest.java

private void checkResultFile() throws IOException {
    FileReader reader = new FileReader(target);
    char[] buffer = new char[10];
    reader.read(buffer);
    reader.close();//w ww.j  a v a 2s.  c  om
    String result = new String(buffer);
    Assert.assertEquals(MESSAGE, result.trim());
}

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