Example usage for java.nio.channels GatheringByteChannel write

List of usage examples for java.nio.channels GatheringByteChannel write

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Introduction

In this page you can find the example usage for java.nio.channels GatheringByteChannel write.

Prototype

public long write(ByteBuffer[] srcs) throws IOException;

Source Link

Document

Writes a sequence of bytes to this channel from the given buffers.

Usage

From source file:com.castis.sysComp.PoisConverterSysComp.java

private List<subDataDTO> writeNodeInfoOnFile(int byteSize, ByteBuffer byteBuffer,
        GatheringByteChannel outByteCh, InputDataDTO data, String isLeafNode) {

    StringBuffer strBuffer = new StringBuffer();
    strBuffer.append(data.getRegion());//  ww  w. j a v  a2 s  .  c om
    strBuffer.append("|");
    strBuffer.append(data.getCategory());
    strBuffer.append("|");
    strBuffer.append(data.getWeekday());
    strBuffer.append("|");
    strBuffer.append(data.getHour());
    strBuffer.append("|");
    strBuffer.append(data.getPlatform());
    strBuffer.append("|");
    strBuffer.append(data.getCount());
    List<subDataDTO> subDataList = getSubDataList(data);

    // leafNode or not(Y/N)
    strBuffer.append("|");
    strBuffer.append(isLeafNode);

    strBuffer.append("\r\n");

    byte[] outByte = null;
    try {
        outByte = strBuffer.toString().getBytes("UTF-8");
    } catch (UnsupportedEncodingException e2) {
        e2.printStackTrace();
    }
    byteBuffer.put(outByte);
    byteBuffer.flip();
    try {
        outByteCh.write(byteBuffer);
    } catch (IOException e) {
    }
    byteBuffer.clear();

    return subDataList;
}

From source file:com.castis.sysComp.PoisConverterSysComp.java

public void parseRegionFile(File file) throws Exception {
    String line = "";
    FileInputStream in = null;/*from w w  w.jav a 2s .  c om*/
    Reader isReader = null;
    LineNumberReader bufReader = null;

    FileOutputStream fos = null;
    String fileName = file.getName();

    int index = fileName.indexOf("-");
    if (index != -1) {
        fileName = fileName.substring(index + 1, fileName.length());
    }

    String dir = filePolling.getValidFileDirectory(resultDir);

    String tempDir = dir + "/temp/";
    File targetDirectory = new File(CiFileUtil.getReplaceFullPath(tempDir));
    if (!targetDirectory.isDirectory()) {
        CiFileUtil.createDirectory(tempDir);
    }

    fos = new FileOutputStream(tempDir + fileName);

    int byteSize = 2048;
    ByteBuffer byteBuffer = ByteBuffer.allocateDirect(byteSize);
    GatheringByteChannel outByteCh = fos.getChannel();

    try {
        in = new FileInputStream(file);
        isReader = new InputStreamReader(in, "UTF-16LE");
        bufReader = new LineNumberReader(isReader);

        boolean first = true;
        while ((line = bufReader.readLine()) != null) {

            byte[] utf8 = line.getBytes("UTF-8");
            String string = new String(utf8, "UTF-8");

            String data[] = string.split("\t");

            if (first == true) {
                first = false;

                if (data[0] == null || data[0].contains("region") == false) {
                    throw new DataParsingException("data parsing error(not formatted)");
                }
                continue;
            }

            if (data[0] == null || data[0].equals("")) {
                throw new DataParsingException("data parsing error(region id)");
            }
            if (data[1] == null || data[1].equals("")) {
                throw new DataParsingException("data parsing error(region name)");
            }
            if (data[2] == null || data[2].equals("")) {
                throw new DataParsingException("data parsing error(parent id)");
            }

            StringBuffer strBuffer = new StringBuffer();
            strBuffer.append(data[0]);
            strBuffer.append("\t");
            strBuffer.append(data[1]);
            strBuffer.append("\t");
            strBuffer.append(data[2]);

            strBuffer.append("\r\n");

            byte[] outByte = null;
            try {
                outByte = strBuffer.toString().getBytes("UTF-8");
            } catch (UnsupportedEncodingException e2) {
                e2.printStackTrace();
            }
            byteBuffer.put(outByte);
            byteBuffer.flip();
            try {
                outByteCh.write(byteBuffer);
            } catch (IOException e) {
            }
            byteBuffer.clear();
        }

        fos.close();

        index = fileName.indexOf("_");

        String targetDir = resultDir;
        File sourceFile = new File(tempDir + fileName);
        if (index != -1) {
            String directory = fileName.substring(0, index);
            targetDir += "/" + directory;
        }

        try {

            File resultTargetDir = new File(CiFileUtil.getReplaceFullPath(targetDir));
            if (!resultTargetDir.isDirectory()) {
                CiFileUtil.createDirectory(targetDir);
            }

            CiFileUtil.renameFile(sourceFile, targetDir, fileName);
        } catch (Exception e) {
            log.error(e.getMessage());
        }

    } catch (Exception e) {
        String errorMsg = "Fail to parsing Line.[current line(" + bufReader.getLineNumber() + ") :" + line
                + "] : ";
        log.error(errorMsg, e);
        throw new DataParsingException(errorMsg, e); //throw(e);

    } finally {
        if (in != null)
            in.close();
        if (isReader != null)
            isReader.close();
        if (bufReader != null)
            bufReader.close();
    }
}

From source file:com.castis.sysComp.PoisConverterSysComp.java

private void writeClientUIFile(List<sceneDTO> list, String platform, File file) throws FileNotFoundException {

    FileOutputStream fos = null;/*from  w ww . j ava 2 s .  c  o  m*/
    String dir = filePolling.getValidFileDirectory(resultDir);

    String fileName = file.getName();
    String tempDir = dir + "/temp/";
    File targetDirectory = new File(CiFileUtil.getReplaceFullPath(tempDir));
    if (!targetDirectory.isDirectory()) {
        CiFileUtil.createDirectory(tempDir);
    }

    fos = new FileOutputStream(tempDir + fileName);
    int byteSize = 2048;
    ByteBuffer byteBuffer = ByteBuffer.allocateDirect(byteSize);
    GatheringByteChannel outByteCh = fos.getChannel();

    try {
        for (int i = 0; i < list.size(); i++) {
            sceneDTO scene = list.get(i);
            StringBuffer strBuffer = new StringBuffer();
            if (i == 0) {
                strBuffer.append("policy");
                strBuffer.append("|");
                strBuffer.append(platform);
                strBuffer.append("|");
                strBuffer.append("ClientUI");

                strBuffer.append("\r\n");
            }
            strBuffer.append("info");
            strBuffer.append("|");
            strBuffer.append(platform);
            strBuffer.append("|");
            strBuffer.append(scene.getId());
            strBuffer.append("|");
            strBuffer.append(scene.getName());
            strBuffer.append("|");
            strBuffer.append(scene.getTemplateFileName());
            strBuffer.append("|");
            strBuffer.append(scene.getMenuId());
            strBuffer.append("|");
            strBuffer.append(scene.getMenuName());
            strBuffer.append("|");
            strBuffer.append(scene.getSpaceId());
            strBuffer.append("|");
            strBuffer.append(scene.getSpaceName());
            strBuffer.append("|");
            strBuffer.append(scene.getResolution());
            strBuffer.append("|");
            strBuffer.append(scene.getResolutionOnFocus());
            strBuffer.append("|");
            strBuffer.append(scene.getSizeLimit());
            strBuffer.append("|");
            strBuffer.append(scene.getClickable());

            strBuffer.append("\r\n");

            byte[] outByte = null;
            try {
                outByte = strBuffer.toString().getBytes("UTF-8");
            } catch (UnsupportedEncodingException e2) {
                e2.printStackTrace();
            }
            byteBuffer.put(outByte);
            byteBuffer.flip();
            try {
                outByteCh.write(byteBuffer);
            } catch (IOException e) {
            }
            byteBuffer.clear();
        }

        fos.close();

        String targetDir = resultDir;
        File sourceFile = new File(tempDir + fileName);

        int index = fileName.indexOf("-");
        if (index != -1) {
            fileName = fileName.substring(index + 1, fileName.length());
        }
        index = fileName.indexOf("_");

        if (index != -1) {
            String directory = fileName.substring(0, index);
            targetDir += "/" + directory;
        }

        index = fileName.indexOf(".");
        if (index != -1) {
            fileName = fileName.substring(0, index) + ".csv";
        }

        try {

            File resultTargetDir = new File(CiFileUtil.getReplaceFullPath(targetDir));
            if (!resultTargetDir.isDirectory()) {
                CiFileUtil.createDirectory(targetDir);
            }

            CiFileUtil.renameFile(sourceFile, targetDir, fileName);
        } catch (Exception e) {
            log.error(e.getMessage());
        }

    } catch (Exception e) {
        String errorMsg = e.getMessage();
        log.error(errorMsg, e);
        throw new DataParsingException(errorMsg, e); //throw(e);

    }
}