Example usage for java.io BufferedInputStream read

Introduction

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

Prototype

public int read(byte b[]) throws IOException 

Source Link

Document

Reads up to b.length bytes of data from this input stream into an array of bytes.

Usage

From source file:com.lidroid.xutils.http.client.callback.FileDownloadHandler.java

public File handleEntity(HttpEntity entity, RequestCallBackHandler callBackHandler, String target,
        boolean isResume, String responseFileName) throws IOException {
    if (entity == null || TextUtils.isEmpty(target)) {
        return null;
    }/*from   w w w .j a  v  a  2  s  .com*/

    File targetFile = new File(target);

    if (!targetFile.exists()) {
        targetFile.createNewFile();
    }

    long current = 0;
    InputStream inputStream = null;
    FileOutputStream fileOutputStream = null;

    try {

        if (isResume) {
            current = targetFile.length();
            fileOutputStream = new FileOutputStream(target, true);
        } else {
            fileOutputStream = new FileOutputStream(target);
        }

        long total = entity.getContentLength() + current;

        if (callBackHandler != null && !callBackHandler.updateProgress(total, current, true)) {
            return null;
        }

        inputStream = entity.getContent();
        BufferedInputStream bis = new BufferedInputStream(inputStream);

        byte[] tmp = new byte[4096];
        int len;
        while ((len = bis.read(tmp)) != -1) {
            fileOutputStream.write(tmp, 0, len);
            current += len;
            if (callBackHandler != null) {
                if (!callBackHandler.updateProgress(total, current, false)) {
                    return targetFile;
                }
            }
        }
        fileOutputStream.flush();
        if (callBackHandler != null) {
            callBackHandler.updateProgress(total, current, true);
        }
    } finally {
        IOUtils.closeQuietly(inputStream);
        IOUtils.closeQuietly(fileOutputStream);
    }

    if (targetFile.exists() && !TextUtils.isEmpty(responseFileName)) {
        File newFile = new File(targetFile.getParent(), responseFileName);
        targetFile.renameTo(newFile);
        return newFile;
    } else {
        return targetFile;
    }
}

---

From source file:com.dongfang.net.http.client.callback.FileDownloadHandler.java

public File handleEntity(HttpEntity entity, RequestCallBackHandler callBackHandler, String target,
        boolean isResume, String responseFileName) throws IOException {
    if (entity == null || TextUtils.isEmpty(target)) {
        return null;
    }/*from w  w w  . j ava2  s. c  o  m*/

    File targetFile = new File(target);

    if (!targetFile.exists()) {
        targetFile.createNewFile();
    }

    long current = 0;
    InputStream inputStream = null;
    FileOutputStream fileOutputStream = null;

    try {

        if (isResume) {
            current = targetFile.length();
            fileOutputStream = new FileOutputStream(target, true);
        } else {
            fileOutputStream = new FileOutputStream(target);
        }

        long total = entity.getContentLength() + current;

        if (callBackHandler != null && !callBackHandler.updateProgress(total, current, true)) {
            return targetFile;
        }

        inputStream = entity.getContent();
        BufferedInputStream bis = new BufferedInputStream(inputStream);

        byte[] tmp = new byte[4096];
        int len;
        while ((len = bis.read(tmp)) != -1) {
            fileOutputStream.write(tmp, 0, len);
            current += len;
            if (callBackHandler != null) {
                if (!callBackHandler.updateProgress(total, current, false)) {
                    return targetFile;
                }
            }
        }
        fileOutputStream.flush();
        if (callBackHandler != null) {
            callBackHandler.updateProgress(total, current, true);
        }
    } finally {
        IOUtils.closeQuietly(inputStream);
        IOUtils.closeQuietly(fileOutputStream);
    }

    if (targetFile.exists() && !TextUtils.isEmpty(responseFileName)) {
        File newFile = new File(targetFile.getParent(), responseFileName);
        while (newFile.exists()) {
            newFile = new File(targetFile.getParent(), System.currentTimeMillis() + responseFileName);
        }
        return targetFile.renameTo(newFile) ? newFile : targetFile;
    } else {
        return targetFile;
    }
}

---

From source file:com.lidroid.xutils.http.callback.FileDownloadHandler.java

public File handleEntity(HttpEntity entity, RequestCallBackHandler callBackHandler, String target,
        boolean isResume, String responseFileName) throws IOException {
    if (entity == null || TextUtils.isEmpty(target)) {
        return null;
    }// w  ww .  ja  v  a 2 s. c o m

    File targetFile = new File(target);

    if (!targetFile.exists()) {
        File dir = targetFile.getParentFile();
        if (!dir.exists()) {
            dir.mkdirs();
        }
        targetFile.createNewFile();
    }

    long current = 0;
    InputStream inputStream = null;
    FileOutputStream fileOutputStream = null;

    try {

        if (isResume) {
            current = targetFile.length();
            fileOutputStream = new FileOutputStream(target, true);
        } else {
            fileOutputStream = new FileOutputStream(target);
        }

        long total = entity.getContentLength() + current;

        if (callBackHandler != null && !callBackHandler.updateProgress(total, current, true)) {
            return targetFile;
        }

        inputStream = entity.getContent();
        BufferedInputStream bis = new BufferedInputStream(inputStream);

        byte[] tmp = new byte[4096];
        int len;
        while ((len = bis.read(tmp)) != -1) {
            fileOutputStream.write(tmp, 0, len);
            current += len;
            if (callBackHandler != null) {
                if (!callBackHandler.updateProgress(total, current, false)) {
                    return targetFile;
                }
            }
        }
        fileOutputStream.flush();
        if (callBackHandler != null) {
            callBackHandler.updateProgress(total, current, true);
        }
    } finally {
        IOUtils.closeQuietly(inputStream);
        IOUtils.closeQuietly(fileOutputStream);
    }

    if (targetFile.exists() && !TextUtils.isEmpty(responseFileName)) {
        File newFile = new File(targetFile.getParent(), responseFileName);
        while (newFile.exists()) {
            newFile = new File(targetFile.getParent(), System.currentTimeMillis() + responseFileName);
        }
        return targetFile.renameTo(newFile) ? newFile : targetFile;
    } else {
        return targetFile;
    }
}

---

From source file:com.creditease.utilframe.http.client.entity.FileUploadEntity.java

@SuppressWarnings("resource")
@Override//from  www .  ja  v  a2s.  c  o  m
public void writeTo(OutputStream outStream) throws IOException {
    if (outStream == null) {
        throw new IllegalArgumentException("Output stream may not be null");
    }
    BufferedInputStream inStream = null;
    try {
        inStream = new BufferedInputStream(new FileInputStream(this.file));
        byte[] tmp = new byte[4096];
        int len;
        while ((len = inStream.read(tmp)) != -1) {
            outStream.write(tmp, 0, len);
            uploadedSize += len;
            if (callBackHandler != null) {
                if (!callBackHandler.updateProgress(fileSize, uploadedSize, false)) {
                    IOUtils.closeQuietly(inStream);
                    throw new InterruptedIOException("cancel");
                }
            }
        }
        outStream.flush();
        if (callBackHandler != null) {
            callBackHandler.updateProgress(fileSize, uploadedSize, true);
        }
    } finally {
        IOUtils.closeQuietly(inStream);
    }
}

---

From source file:cn.isif.util_plus.http.client.entity.FileUploadEntity.java

@Override
public void writeTo(OutputStream outStream) throws IOException {
    if (outStream == null) {
        throw new IllegalArgumentException("Output stream may not be null");
    }//w w w. j a  va2s .c om
    BufferedInputStream inStream = null;
    try {
        inStream = new BufferedInputStream(new FileInputStream(this.file));
        byte[] tmp = new byte[4096];
        int len;
        while ((len = inStream.read(tmp)) != -1) {
            outStream.write(tmp, 0, len);
            uploadedSize += len;
            if (callBackHandler != null) {
                if (!callBackHandler.updateProgress(fileSize, uploadedSize, false)) {
                    throw new InterruptedIOException("cancel");
                }
            }
        }
        outStream.flush();
        if (callBackHandler != null) {
            callBackHandler.updateProgress(fileSize, uploadedSize, true);
        }
    } finally {
        IOUtils.closeQuietly(inStream);
    }
}

---

From source file:com.tesshu.subsonic.client.sample4_music_andmovie.StreamDownloadApplication.java

@Bean
protected CommandLineRunner run(RestTemplate restTemplate) throws Exception {
    return args -> {

        SearchResult2 result2 = search2.get("e", null, null, null, null, 1, null, null);

        List<Child> songs = result2.getSongs();

        File tmpDirectory = new File(tmpPath);
        tmpDirectory.mkdir();/*from  ww  w .  j  a  v a 2  s  .  c o m*/

        int maxBitRate = 256;

        for (Child song : songs) {

            streamController.stream(song, maxBitRate, format, null, null, null, null,

                    (subject, inputStream, contentLength) -> {

                        File dir = new File(
                                tmpPath + "/" + song.getPath().replaceAll("([^/]+?)?$", StringUtils.EMPTY));
                        dir.mkdirs();

                        File file = new File(tmpPath + "/"
                                + song.getPath().replaceAll("([^.]+?)?$", StringUtils.EMPTY) + format);

                        try {

                            FileOutputStream fos = new FileOutputStream(file);
                            BufferedInputStream reader = new BufferedInputStream(inputStream);

                            byte buf[] = new byte[256];
                            int len;
                            while ((len = reader.read(buf)) != -1) {
                                fos.write(buf, 0, len);
                            }
                            fos.flush();
                            fos.close();
                            reader.close();
                            inputStream.close();
                        } catch (IOException e) {
                            e.printStackTrace();
                        }
                    });
        }
    };

}

---

From source file:org.robam.xutils.http.callback.FileDownloadHandler.java

/**
 * ?./*from   www  .j a  v  a 2 s  . c o  m*/
 *
 * @param entity
 * @param callBackHandler
 * @param target
 * @param isResume
 * @param responseFileName
 * @return ??.??.???, ??.
 * @throws java.io.IOException
 */
public File handleEntity(HttpEntity entity, RequestCallBackHandler callBackHandler, String target,
        boolean isResume, String responseFileName) throws IOException {
    if (entity == null || TextUtils.isEmpty(target)) {
        return null;
    }

    File targetFile = new File(target);

    //??
    if (!targetFile.exists()) {
        File dir = targetFile.getParentFile();
        //
        if (!dir.exists()) {
            dir.mkdirs();
        }
        //?
        targetFile.createNewFile();
    }

    long currentFileSize = 0;
    InputStream inputStream = null;
    FileOutputStream fileOutputStream = null;

    try {
        if (isResume) {
            currentFileSize = targetFile.length();
            // true
            fileOutputStream = new FileOutputStream(target, true);
        } else {
            fileOutputStream = new FileOutputStream(target);
        }

        // 
        long totalFileSize = entity.getContentLength() + currentFileSize;

        //TODO:?CallbackHandler????,?...
        if (callBackHandler != null && !callBackHandler.updateProgress(totalFileSize, currentFileSize, true)) {
            return targetFile;
        }

        // TODO:?entity.getContent??????????????
        inputStream = entity.getContent();
        BufferedInputStream bis = new BufferedInputStream(inputStream);

        byte[] tmp = new byte[4096];
        int len;
        while ((len = bis.read(tmp)) != -1) {
            fileOutputStream.write(tmp, 0, len);
            currentFileSize += len;
            if (callBackHandler != null) {
                if (!callBackHandler.updateProgress(totalFileSize, currentFileSize, false)) {
                    return targetFile;
                }
            }
        }
        fileOutputStream.flush();
        if (callBackHandler != null) {
            callBackHandler.updateProgress(totalFileSize, currentFileSize, true);
        }
    } finally {
        //
        IOUtils.closeQuietly(inputStream);
        IOUtils.closeQuietly(fileOutputStream);
    }

    // ???
    if (targetFile.exists() && !TextUtils.isEmpty(responseFileName)) {
        File newFile = new File(targetFile.getParent(), responseFileName);
        //???,????.
        while (newFile.exists()) {
            newFile = new File(targetFile.getParent(), System.currentTimeMillis() + responseFileName);
        }
        return targetFile.renameTo(newFile) ? newFile : targetFile;
    } else {
        return targetFile;
    }
}

---

From source file:eu.annocultor.tagger.server.controllers.SolrTaggerController.java

private List<String[]> readFile(String url) throws IOException {
    FileInputStream fStream = new FileInputStream(new File(url));
    StringBuffer sb = new StringBuffer();
    BufferedInputStream bin = new BufferedInputStream(fStream);
    byte[] contents = new byte[1024];
    int bytesRead = 0;
    while ((bytesRead = bin.read(contents)) != -1) {
        sb.append(new String(contents, 0, bytesRead));
    }/*w w  w.  j  av a 2s .  co m*/
    String toImport = StringUtils.substringBetween(sb.toString(), "Import\n", "Delete\n");
    List<String[]> collections = new ArrayList<String[]>();
    String[] collectionsToImport = StringUtils.split(toImport, "\n");
    collections.add(collectionsToImport);
    String toDelete = StringUtils.substringAfter(sb.toString(), "Delete\n");
    String[] collectionsToDelete = StringUtils.split(toDelete, "\n");
    collections.add(collectionsToDelete);
    return collections;
}

---

From source file:CharsetDetector.java

private Charset detectCharset(File f, Charset charset) {
    try {/*from w  ww  .  j  av  a2 s  . c  o m*/
        BufferedInputStream input = new BufferedInputStream(new FileInputStream(f));

        CharsetDecoder decoder = charset.newDecoder();
        decoder.reset();

        byte[] buffer = new byte[512];
        boolean identified = false;
        while ((input.read(buffer) != -1) && (!identified)) {
            identified = identify(buffer, decoder);
        }

        input.close();

        if (identified) {
            return charset;
        } else {
            return null;
        }

    } catch (Exception e) {
        return null;
    }
}

---

From source file:gov.nih.nci.restgen.util.GeneratorUtil.java

private static void add(File source, JarOutputStream target) throws IOException {
    BufferedInputStream in = null;
    try {// www. jav a2s.c o  m
        if (source.isDirectory()) {
            String name = source.getPath().replace("\\", "/");
            if (!name.isEmpty()) {
                if (!name.endsWith("/"))
                    name += "/";
                JarEntry entry = new JarEntry(name);
                entry.setTime(source.lastModified());
                target.putNextEntry(entry);
                target.closeEntry();
            }
            for (File nestedFile : source.listFiles())
                add(nestedFile, target);
            return;
        }

        JarEntry entry = new JarEntry(source.getPath().replace("\\", "/"));
        entry.setTime(source.lastModified());
        target.putNextEntry(entry);
        in = new BufferedInputStream(new FileInputStream(source));

        byte[] buffer = new byte[1024];
        while (true) {
            int count = in.read(buffer);
            if (count == -1)
                break;
            target.write(buffer, 0, count);
        }
        target.closeEntry();
    } finally {
        if (in != null)
            in.close();
    }
}

---

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