Example usage for java.io Reader read

Introduction

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

Prototype

public int read(char cbuf[]) throws IOException

Source Link

Document

Reads characters into an array.

Usage

From source file:Main.java

/**
 * Gets the reader content as a String//ww w  . j a v  a 2s.co m
 */
private static String getString(Reader reader) {
    StringBuffer buf = new StringBuffer();
    char[] buffer = new char[1024];
    int count;
    try {
        while ((count = reader.read(buffer)) != -1)
            buf.append(buffer, 0, count);
    } catch (IOException e) {
        return null;
    }
    return buf.toString();
}

From source file:Main.java

public static void transfer(Reader in, StringBuilder out) throws IOException {
    char[] buffer = new char[4096];
    int charsRead;
    while ((charsRead = in.read(buffer)) != -1) {
        out.append(buffer, 0, charsRead);
    }/*from  w  w w  .j a  v  a 2 s .  co m*/
}

From source file:ca.mudar.parkcatcher.io.LocalExecutor.java

/**
 * Loads the JSON text resource with the given ID and returns the JSON
 * content./*w  w  w.j a v  a 2s .c  om*/
 */
public static String loadResourceJson(Context context, int resource) throws IOException {
    InputStream is = context.getResources().openRawResource(resource);
    Writer writer = new StringWriter();
    char[] buffer = new char[1024];
    try {
        Reader reader = new BufferedReader(new InputStreamReader(is, "UTF-8"));
        int n;
        while ((n = reader.read(buffer)) != -1) {
            writer.write(buffer, 0, n);
        }
    } finally {
        is.close();
    }

    return writer.toString();
}

From source file:Main.java

public static String readInputStreamToString(InputStream in) throws IOException {
    Reader r = new InputStreamReader(in);

    StringBuilder sb = new StringBuilder();
    char[] buf = new char[256];
    int bytesRead;
    while ((bytesRead = r.read(buf)) != -1) {
        sb.append(buf, 0, bytesRead);/*from   w w w . j  a v  a2s  .  co  m*/
    }

    try {
        in.close();
    } catch (IOException ignored) {
    }

    return sb.toString();
}

From source file:Main.java

public static String readStr(InputStream in, String charset) throws IOException {
    if (TextUtils.isEmpty(charset))
        charset = "UTF-8";

    if (!(in instanceof BufferedInputStream)) {
        in = new BufferedInputStream(in);
    }//from w  ww.j  a v  a 2  s.  c  o m
    Reader reader = new InputStreamReader(in, charset);
    StringBuilder sb = new StringBuilder();
    char[] buf = new char[1024];
    int len;
    while ((len = reader.read(buf)) >= 0) {
        sb.append(buf, 0, len);
    }
    return sb.toString().trim();
}

From source file:Main.java

/**
 * Copy a reader to writer.//from w  w w  . j  av  a 2  s  .c o m
 */
private static void copy(Reader in, Writer out) throws IOException {
    try {
        int bytesRead;
        char[] buffer = new char[COPY_BUFFER_SIZE];

        while ((bytesRead = in.read(buffer)) != -1) {
            out.write(buffer, 0, bytesRead);
        }

        out.flush();
    } finally {
        in.close();
        out.close();
    }
}

From source file:Main.java

public static long copy(@NonNull Reader input, @NonNull Writer output) throws IOException {
    char[] buffer = new char[1024 * 4];
    long count = 0;
    int n = 0;/*from w ww.  j a v  a 2s .  c  o  m*/
    while (-1 != (n = input.read(buffer))) {
        output.write(buffer, 0, n);
        count += n;
    }
    return count;
}

From source file:Main.java

public static final long copy(final Reader reader, final StringBuilder builder) throws IOException {
    final char[] buffer = new char[256];
    long count = 0;
    int n = 0;//www  . j  a  va 2 s.c om
    while (-1 != (n = reader.read(buffer))) {
        builder.append(buffer, 0, n);
        count += n;
    }
    return count;
}

From source file:org.carewebframework.ui.test.CommonTest.java

/**
 * Reads text from the specified resource on the classpath.
 * /*from w  ww .j ava  2 s .  co m*/
 * @param resourceName Name of the resource.
 * @return Text read from the resource.
 * @throws IOException IO exception.
 */
public static String getTextFromResource(String resourceName) throws IOException {
    Resource resource = desktopContext.getResource("classpath:" + resourceName);
    InputStream is = resource.getInputStream();
    Writer writer = new StringWriter();
    char[] buffer = new char[1024];

    try {
        Reader reader = new BufferedReader(new InputStreamReader(is, StrUtil.CHARSET));
        int n;
        while ((n = reader.read(buffer)) != -1) {
            writer.write(buffer, 0, n);
        }
    } finally {
        is.close();
    }
    return writer.toString();
}

From source file:Main.java

public static long copyLarge(Reader input, Writer output) throws IOException {
    char[] buffer = new char[4096];
    long count = 0L;
    int n = 0;//  www  .  java  2s . c o m
    while (-1 != (n = input.read(buffer))) {
        output.write(buffer, 0, n);
        count += n;
    }
    return count;
}