Example usage for java.io DataOutputStream write

Introduction

In this page you can find the example usage for java.io DataOutputStream write.

Prototype

public synchronized void write(int b) throws IOException 

Source Link

Document

Writes the specified byte (the low eight bits of the argument b) to the underlying output stream.

Usage

From source file:com.lostad.app.base.util.RequestUtil.java

/** 
 * HTTP??????,??? /*from www.  java2s  .co  m*/
 * @param actionUrl  
 * @param params ? key???,value? 
 * @param files 
 * @throws Exception 
 */
public static String postFile(String actionUrl, Map<String, String> params, FormFile[] files, String token)
        throws Exception {
    try {
        String BOUNDARY = "---------7d4a6d158c9"; //?  
        String MULTIPART_FORM_DATA = "multipart/form-data";

        URL url = new URL(actionUrl);
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setDoInput(true);//?  
        conn.setDoOutput(true);//?  
        conn.setUseCaches(false);//?Cache  
        conn.setRequestMethod("POST");
        conn.setRequestProperty("Connection", "Keep-Alive");
        conn.setRequestProperty("Charset", "UTF-8");
        conn.setRequestProperty("Content-Type", MULTIPART_FORM_DATA + "; boundary=" + BOUNDARY);
        conn.setRequestProperty("token", token);
        //????
        StringBuilder sb = new StringBuilder();
        if (params != null) {
            for (Map.Entry<String, String> entry : params.entrySet()) {//?  
                sb.append("--");
                sb.append(BOUNDARY);
                sb.append("\r\n");
                sb.append("Content-Disposition: form-data; name=\"" + entry.getKey() + "\"\r\n\r\n");
                sb.append(entry.getValue());
                sb.append("\r\n");
            }
        }

        DataOutputStream outStream = new DataOutputStream(conn.getOutputStream());
        outStream.write(sb.toString().getBytes());//????  

        //??  
        for (FormFile file : files) {
            StringBuilder split = new StringBuilder();
            split.append("--");
            split.append(BOUNDARY);
            split.append("\r\n");
            split.append("Content-Disposition: form-data;name=\"" + file.getFormname() + "\";filename=\""
                    + file.getFilname() + "\"\r\n");
            split.append("Content-Type: " + file.getContentType() + "\r\n\r\n");
            outStream.write(split.toString().getBytes());
            outStream.write(file.getData(), 0, file.getData().length);
            outStream.write("\r\n".getBytes());
        }
        byte[] end_data = ("--" + BOUNDARY + "--\r\n").getBytes();//??           
        outStream.write(end_data);
        outStream.flush();
        int cah = conn.getResponseCode();
        if (cah != 200)
            throw new RuntimeException("url");
        InputStream is = conn.getInputStream();
        int ch;
        StringBuilder b = new StringBuilder();
        while ((ch = is.read()) != -1) {
            b.append((char) ch);
        }
        outStream.close();
        conn.disconnect();
        return b.toString();
    } catch (Exception e) {

        throw e;
    }
}

---

From source file:com.android.volley.toolbox.http.HurlStack.java

@SuppressWarnings("deprecation")
/* package */ static void setConnectionParametersForRequest(HttpURLConnection connection, Request<?> request)
        throws IOException, AuthFailureError {
    switch (request.getMethod()) {
    case Method.DEPRECATED_GET_OR_POST:
        // This is the deprecated way that needs to be handled for backwards compatibility.
        // If the request's post body is null, then the assumption is that the request is
        // GET.  Otherwise, it is assumed that the request is a POST.
        byte[] postBody = request.getBody();
        if (postBody != null) {
            // Prepare output. There is no need to set Content-Length explicitly,
            // since this is handled by HttpURLConnection using the size of the prepared
            // output stream.
            connection.setDoOutput(true);
            connection.setRequestMethod("POST");
            connection.addRequestProperty(HEADER_CONTENT_TYPE, request.getBodyContentType());
            DataOutputStream out = new DataOutputStream(connection.getOutputStream());
            out.write(postBody);
            out.close();//from  w  w  w  . ja  v a2s. c  om
        }
        break;
    case Method.GET:
        // Not necessary to set the request method because connection defaults to GET but
        // being explicit here.
        connection.setRequestMethod("GET");
        break;
    case Method.DELETE:
        connection.setRequestMethod("DELETE");
        break;
    case Method.POST:
        connection.setRequestMethod("POST");
        addBodyIfExists(connection, request);
        break;
    case Method.PUT:
        connection.setRequestMethod("PUT");
        addBodyIfExists(connection, request);
        break;
    case Method.HEAD:
        connection.setRequestMethod("HEAD");
        break;
    case Method.OPTIONS:
        connection.setRequestMethod("OPTIONS");
        break;
    case Method.TRACE:
        connection.setRequestMethod("TRACE");
        break;
    case Method.PATCH:
        //connection.setRequestMethod("PATCH");
        //If server doesnt support patch uncomment this
        connection.setRequestMethod("POST");
        connection.setRequestProperty("X-HTTP-Method-Override", "PATCH");
        addBodyIfExists(connection, request);
        break;
    default:
        throw new IllegalStateException("Unknown method type.");
    }
}

---

From source file:com.daidiansha.acarry.control.network.core.volley.toolbox.HurlStack.java

@SuppressWarnings("deprecation")
/* package */ static void setConnectionParametersForRequest(HttpURLConnection connection, Request<?> request)
        throws IOException, AuthFailureError {
    switch (request.getMethod()) {
    case Method.DEPRECATED_GET_OR_POST:
        // This is the deprecated way that needs to be handled for backwards
        // compatibility.
        // If the request's post body is null, then the assumption is that
        // the request is
        // GET. Otherwise, it is assumed that the request is a POST.
        byte[] postBody = request.getPostBody();
        if (postBody != null) {
            // Prepare output. There is no need to set Content-Length
            // explicitly,
            // since this is handled by HttpURLConnection using the size of
            // the prepared
            // output stream.
            connection.setDoOutput(true);
            connection.setRequestMethod("POST");
            connection.addRequestProperty(HEADER_CONTENT_TYPE, request.getPostBodyContentType());
            DataOutputStream out = new DataOutputStream(connection.getOutputStream());
            out.write(postBody);
            out.close();/*from  ww  w.  j a  v a2  s. co m*/
        }
        break;
    case Method.GET:
        // Not necessary to set the request method because connection
        // defaults to GET but
        // being explicit here.
        connection.setRequestMethod("GET");
        break;
    case Method.DELETE:
        connection.setRequestMethod("DELETE");
        break;
    case Method.POST:
        connection.setRequestMethod("POST");
        addBodyIfExists(connection, request);
        break;
    case Method.PUT:
        connection.setRequestMethod("PUT");
        addBodyIfExists(connection, request);
        break;
    case Method.HEAD:
        connection.setRequestMethod("HEAD");
        break;
    case Method.OPTIONS:
        connection.setRequestMethod("OPTIONS");
        break;
    case Method.TRACE:
        connection.setRequestMethod("TRACE");
        break;
    case Method.PATCH:
        // connection.setRequestMethod("PATCH");
        // If server doesnt support patch uncomment this
        connection.setRequestMethod("POST");
        connection.setRequestProperty("X-HTTP-Method-Override", "PATCH");
        addBodyIfExists(connection, request);
        break;
    default:
        throw new IllegalStateException("Unknown method type.");
    }
}

---

From source file:BihuHttpUtil.java

/**
 * ??HTTPJSON?// ww w.j a v a2s  . c om
 * @param url
 * @param jsonStr
 */
public static String sendPostForJson(String url, String jsonStr) {
    StringBuffer sb = new StringBuffer("");
    try {
        //
        URL realUrl = new URL(url);
        HttpURLConnection connection = (HttpURLConnection) realUrl.openConnection();
        connection.setDoOutput(true);
        connection.setDoInput(true);
        connection.setRequestMethod("POST");
        connection.setUseCaches(false);
        connection.setInstanceFollowRedirects(true);
        connection.setRequestProperty("Content-Type", "application/json; charset=UTF-8");
        connection.connect();
        //POST
        DataOutputStream out = new DataOutputStream(connection.getOutputStream());
        out.write(jsonStr.getBytes("UTF-8"));//???
        out.flush();
        out.close();
        //??
        BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));
        String lines;
        while ((lines = reader.readLine()) != null) {
            lines = new String(lines.getBytes(), "utf-8");
            sb.append(lines);
        }
        reader.close();
        // 
        connection.disconnect();
    } catch (Exception e) {
        e.printStackTrace();
    }
    return sb.toString();
}

---

From source file:com.alibaba.rocketmq.tools.command.message.QueryMsgByIdSubCommand.java

private static String createBodyFile(MessageExt msg) throws IOException {
    DataOutputStream dos = null;

    try {/* w  w  w.ja va 2s  .c  o m*/
        String bodyTmpFilePath = "/tmp/rocketmq/msgbodys";
        File file = new File(bodyTmpFilePath);
        if (!file.exists()) {
            file.mkdirs();
        }
        bodyTmpFilePath = bodyTmpFilePath + "/" + msg.getMsgId();
        dos = new DataOutputStream(new FileOutputStream(bodyTmpFilePath));
        dos.write(msg.getBody());
        return bodyTmpFilePath;
    } finally {
        if (dos != null)
            dos.close();
    }
}

---

From source file:com.ict.dtube.tools.command.message.QueryMsgByIdSubCommand.java

private static String createBodyFile(MessageExt msg) throws IOException {
    DataOutputStream dos = null;

    try {/*from  w  w  w . j ava2s.c o  m*/
        String bodyTmpFilePath = "/tmp/dtube/msgbodys";
        File file = new File(bodyTmpFilePath);
        if (!file.exists()) {
            file.mkdirs();
        }
        bodyTmpFilePath = bodyTmpFilePath + "/" + msg.getMsgId();
        dos = new DataOutputStream(new FileOutputStream(bodyTmpFilePath));
        dos.write(msg.getBody());
        return bodyTmpFilePath;
    } finally {
        if (dos != null)
            dos.close();
    }
}

---

From source file:org.apache.jackrabbit.core.persistence.util.Serializer.java

/**
 * Serializes the specified <code>NodeState</code> object to the given
 * binary <code>stream</code>.
 *
 * @param state  <code>state</code> to serialize
 * @param stream the stream where the <code>state</code> should be
 *               serialized to//from   www  .  ja  v  a 2  s  . co m
 * @throws Exception if an error occurs during the serialization
 * @see #deserialize(NodeState, InputStream)
 */
public static void serialize(NodeState state, OutputStream stream) throws Exception {
    DataOutputStream out = new DataOutputStream(stream);

    // primaryType
    out.writeUTF(state.getNodeTypeName().toString());
    // parentUUID
    if (state.getParentId() == null) {
        out.write(NULL_UUID_PLACEHOLDER_BYTES);
    } else {
        out.write(state.getParentId().getRawBytes());
    }
    // definitionId
    out.writeUTF("");
    // mixin types
    Collection<Name> c = state.getMixinTypeNames();
    out.writeInt(c.size()); // count
    for (Iterator<Name> iter = c.iterator(); iter.hasNext();) {
        out.writeUTF(iter.next().toString()); // name
    }
    // modCount
    out.writeShort(state.getModCount());
    // properties (names)
    c = state.getPropertyNames();
    out.writeInt(c.size()); // count
    for (Iterator<Name> iter = c.iterator(); iter.hasNext();) {
        Name propName = iter.next();
        out.writeUTF(propName.toString()); // name
    }
    // child nodes (list of name/uuid pairs)
    Collection<ChildNodeEntry> collChildren = state.getChildNodeEntries();
    out.writeInt(collChildren.size()); // count
    for (Iterator<ChildNodeEntry> iter = collChildren.iterator(); iter.hasNext();) {
        ChildNodeEntry entry = iter.next();
        out.writeUTF(entry.getName().toString()); // name
        out.write(entry.getId().getRawBytes()); // uuid
    }
}

---

From source file:BihuHttpUtil.java

public static String doHttpPost(String xmlInfo, String URL) {
    System.out.println("??:" + xmlInfo);
    byte[] xmlData = xmlInfo.getBytes();
    InputStream instr = null;//from   w  w w  .  j  a v  a  2s .  co m
    java.io.ByteArrayOutputStream out = null;
    try {
        URL url = new URL(URL);
        URLConnection urlCon = url.openConnection();
        urlCon.setDoOutput(true);
        urlCon.setDoInput(true);
        urlCon.setUseCaches(false);
        urlCon.setRequestProperty("Content-Type", "text/xml");
        urlCon.setRequestProperty("Content-length", String.valueOf(xmlData.length));
        System.out.println(String.valueOf(xmlData.length));
        DataOutputStream printout = new DataOutputStream(urlCon.getOutputStream());
        printout.write(xmlData);
        printout.flush();
        printout.close();
        instr = urlCon.getInputStream();
        byte[] bis = IOUtils.toByteArray(instr);
        String ResponseString = new String(bis, "UTF-8");
        if ((ResponseString == null) || ("".equals(ResponseString.trim()))) {
            System.out.println("");
        }
        System.out.println("?:" + ResponseString);
        return ResponseString;

    } catch (Exception e) {
        e.printStackTrace();
        return "0";
    } finally {
        try {
            out.close();
            instr.close();
        } catch (Exception ex) {
            return "0";
        }
    }
}

---

From source file:com.androidex.volley.toolbox.HurlStack.java

@SuppressWarnings("deprecation")
/* package */static void setConnectionParametersForRequest(HttpURLConnection connection, Request<?> request)
        throws IOException, AuthFailureError {
    switch (request.getMethod()) {
    case Method.DEPRECATED_GET_OR_POST:
        // This is the deprecated way that needs to be handled for backwards
        // compatibility.
        // If the request's post body is null, then the assumption is that
        // the request is
        // GET. Otherwise, it is assumed that the request is a POST.
        byte[] postBody = request.getPostBody();
        if (postBody != null) {
            // Prepare output. There is no need to set Content-Length
            // explicitly,
            // since this is handled by HttpURLConnection using the size of
            // the prepared
            // output stream.
            connection.setDoOutput(true);
            connection.setRequestMethod("POST");
            connection.addRequestProperty(HEADER_CONTENT_TYPE, request.getPostBodyContentType());
            DataOutputStream out = new DataOutputStream(connection.getOutputStream());
            out.write(postBody);
            out.close();/*from w w  w.ja v a  2s  .  c  o m*/
        }
        break;
    case Method.GET:
        // Not necessary to set the request method because connection
        // defaults to GET but
        // being explicit here.
        connection.setRequestMethod("GET");
        break;
    case Method.DELETE:
        connection.setRequestMethod("DELETE");
        break;
    case Method.POST:
        connection.setRequestMethod("POST");
        addBodyIfExists(connection, request);
        break;
    case Method.PUT:
        connection.setRequestMethod("PUT");
        addBodyIfExists(connection, request);
        break;
    case Method.HEAD:
        connection.setRequestMethod("HEAD");
        break;
    case Method.OPTIONS:
        connection.setRequestMethod("OPTIONS");
        break;
    case Method.TRACE:
        connection.setRequestMethod("TRACE");
        break;
    case Method.PATCH:
        // connection.setRequestMethod("PATCH");
        // If server doesnt support patch uncomment this
        connection.setRequestMethod("POST");
        connection.setRequestProperty("X-HTTP-Method-Override", "PATCH");
        addBodyIfExists(connection, request);
        break;
    default:
        throw new IllegalStateException("Unknown method type.");
    }
}

---

From source file:nl.sidn.dnslib.message.util.DNSStringUtil.java

public static byte[] writeName(String name) {

    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    DataOutputStream dos = new DataOutputStream(bos);

    try {/* w w  w  .  j  a  va2 s . c  o  m*/
        //write nameserver string
        String[] labels = StringUtils.split(name, ".");
        for (String label : labels) {
            //write label length
            dos.writeByte(label.length());
            dos.write(label.getBytes());
        }

        //write root with zero byte
        dos.writeByte(0);
    } catch (IOException e) {
        throw new RuntimeException("Error while wrting name", e);
    }

    return bos.toByteArray();

}

---

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