org.apache.tomcat.util.http.HttpMessages Java Examples

protected Http11OutputBuffer(Response response, int headerBufferSize, boolean sendReasonPhrase) {

        this.response = response;
        this.sendReasonPhrase = sendReasonPhrase;

        headerBuffer = ByteBuffer.allocate(headerBufferSize);

        filterLibrary = new OutputFilter[0];
        activeFilters = new OutputFilter[0];
        lastActiveFilter = -1;

        responseFinished = false;

        outputStreamOutputBuffer = new SocketOutputBuffer();

        if (sendReasonPhrase) {
            // Cause loading of HttpMessages
            HttpMessages.getInstance(response.getLocale()).getMessage(200);
        }
    }
 

/**
 * Default constructor.
 */
public InternalAprOutputBuffer(Response response, int headerBufferSize) {

    this.response = response;

    buf = new byte[headerBufferSize];
    if (headerBufferSize < (8 * 1024)) {
        bbuf = ByteBuffer.allocateDirect(6 * 1500);
    } else {
        bbuf = ByteBuffer.allocateDirect((headerBufferSize / 1500 + 1) * 1500);
    }

    outputStreamOutputBuffer = new SocketOutputBuffer();

    filterLibrary = new OutputFilter[0];
    activeFilters = new OutputFilter[0];
    lastActiveFilter = -1;

    committed = false;
    finished = false;

    // Cause loading of HttpMessages
    HttpMessages.getInstance(response.getLocale()).getMessage(200);

}
 

/**
 * Default constructor.
 */
public InternalAprOutputBuffer(Response response, int headerBufferSize) {

    this.response = response;

    buf = new byte[headerBufferSize];
    if (headerBufferSize < (8 * 1024)) {
        bbuf = ByteBuffer.allocateDirect(6 * 1500);
    } else {
        bbuf = ByteBuffer.allocateDirect((headerBufferSize / 1500 + 1) * 1500);
    }

    outputStreamOutputBuffer = new SocketOutputBuffer();

    filterLibrary = new OutputFilter[0];
    activeFilters = new OutputFilter[0];
    lastActiveFilter = -1;

    committed = false;
    finished = false;

    // Cause loading of HttpMessages
    HttpMessages.getInstance(response.getLocale()).getMessage(200);

}
 

protected String encode(String value, String encoding) {
    String retVal = null;
    if (encoding.equalsIgnoreCase("url")) {
        retVal = urlEncoder.encode(value);
    } else if (encoding.equalsIgnoreCase("none")) {
        retVal = value;
    } else if (encoding.equalsIgnoreCase("entity")) {
        retVal = HttpMessages.filter(value);
    } else {
        //This shouldn't be possible
        throw new IllegalArgumentException("Unknown encoding: " + encoding);
    }
    return retVal;
}
 

protected String encode(String value, String encoding) {
    String retVal = null;
    if (encoding.equalsIgnoreCase("url")) {
        retVal = urlEncoder.encode(value, "UTF-8");
    } else if (encoding.equalsIgnoreCase("none")) {
        retVal = value;
    } else if (encoding.equalsIgnoreCase("entity")) {
        retVal = HttpMessages.filter(value);
    } else {
        //This shouldn't be possible
        throw new IllegalArgumentException("Unknown encoding: " + encoding);
    }
    return retVal;
}
 

/**
 * When committing the response, we have to validate the set of headers, as
 * well as setup the response filters.
 */
@SuppressWarnings("deprecation")
@Override
protected final void prepareResponse() throws IOException {

    response.setCommitted(true);

    tmpMB.recycle();
    responseMsgPos = -1;
    responseMessage.reset();
    responseMessage.appendByte(Constants.JK_AJP13_SEND_HEADERS);

    // Responses with certain status codes are not permitted to include a
    // response body.
    int statusCode = response.getStatus();
    if (statusCode < 200 || statusCode == 204 || statusCode == 205 ||
            statusCode == 304) {
        // No entity body
        swallowResponse = true;
    }

    // Responses to HEAD requests are not permitted to include a response
    // body.
    MessageBytes methodMB = request.method();
    if (methodMB.equals("HEAD")) {
        // No entity body
        swallowResponse = true;
    }

    // HTTP header contents
    responseMessage.appendInt(statusCode);
    if (sendReasonPhrase) {
        String message = null;
        if (org.apache.coyote.Constants.USE_CUSTOM_STATUS_MSG_IN_HEADER &&
                HttpMessages.isSafeInHttpHeader(response.getMessage())) {
            message = response.getMessage();
        }
        if (message == null) {
            message = HttpMessages.getInstance(
                    response.getLocale()).getMessage(response.getStatus());
        }
        if (message == null) {
            // mod_jk + httpd 2.x fails with a null status message - bug 45026
            message = Integer.toString(response.getStatus());
        }
        tmpMB.setString(message);
    } else {
        // Reason phrase is optional but mod_jk + httpd 2.x fails with a null
        // reason phrase - bug 45026
        tmpMB.setString(Integer.toString(response.getStatus()));
    }
    responseMessage.appendBytes(tmpMB);

    // Special headers
    MimeHeaders headers = response.getMimeHeaders();
    String contentType = response.getContentType();
    if (contentType != null) {
        headers.setValue("Content-Type").setString(contentType);
    }
    String contentLanguage = response.getContentLanguage();
    if (contentLanguage != null) {
        headers.setValue("Content-Language").setString(contentLanguage);
    }
    long contentLength = response.getContentLengthLong();
    if (contentLength >= 0) {
        headers.setValue("Content-Length").setLong(contentLength);
    }

    // Other headers
    int numHeaders = headers.size();
    responseMessage.appendInt(numHeaders);
    for (int i = 0; i < numHeaders; i++) {
        MessageBytes hN = headers.getName(i);
        int hC = Constants.getResponseAjpIndex(hN.toString());
        if (hC > 0) {
            responseMessage.appendInt(hC);
        }
        else {
            responseMessage.appendBytes(hN);
        }
        MessageBytes hV=headers.getValue(i);
        responseMessage.appendBytes(hV);
    }

    // Write to buffer
    responseMessage.end();
    socketWrapper.write(true, responseMessage.getBuffer(), 0, responseMessage.getLen());
    socketWrapper.flush(true);
}
 

/**
 * Send the response status line.
 */
@SuppressWarnings("deprecation")
public void sendStatus() {
    // Write protocol name
    write(Constants.HTTP_11_BYTES);
    headerBuffer.put(Constants.SP);

    // Write status code
    int status = response.getStatus();
    switch (status) {
    case 200:
        write(Constants._200_BYTES);
        break;
    case 400:
        write(Constants._400_BYTES);
        break;
    case 404:
        write(Constants._404_BYTES);
        break;
    default:
        write(status);
    }

    headerBuffer.put(Constants.SP);

    if (sendReasonPhrase) {
        // Write message
        String message = null;
        if (org.apache.coyote.Constants.USE_CUSTOM_STATUS_MSG_IN_HEADER &&
                HttpMessages.isSafeInHttpHeader(response.getMessage())) {
            message = response.getMessage();
        }
        if (message == null) {
            write(HttpMessages.getInstance(
                    response.getLocale()).getMessage(status));
        } else {
            write(message);
        }
    } else {
        // The reason phrase is optional but the space before it is not. Skip
        // sending the reason phrase. Clients should ignore it (RFC 7230) and it
        // just wastes bytes.
    }

    headerBuffer.put(Constants.CR).put(Constants.LF);
}
 

/**
 * When committing the response, we have to validate the set of headers, as
 * well as setup the response filters.
 */
protected void prepareResponse() throws IOException {

    response.setCommitted(true);

    responseMessage.reset();
    responseMessage.appendByte(Constants.JK_AJP13_SEND_HEADERS);

    // Responses with certain status codes are not permitted to include a
    // response body.
    int statusCode = response.getStatus();
    if (statusCode < 200 || statusCode == 204 || statusCode == 205 ||
            statusCode == 304) {
        // No entity body
        swallowResponse = true;
    }

    // Responses to HEAD requests are not permitted to incude a response
    // body.
    MessageBytes methodMB = request.method();
    if (methodMB.equals("HEAD")) {
        // No entity body
        swallowResponse = true;
    }

    // HTTP header contents
    responseMessage.appendInt(statusCode);
    String message = null;
    if (org.apache.coyote.Constants.USE_CUSTOM_STATUS_MSG_IN_HEADER &&
            HttpMessages.isSafeInHttpHeader(response.getMessage())) {
        message = response.getMessage();
    }
    if (message == null){
        message = HttpMessages.getInstance(
                response.getLocale()).getMessage(response.getStatus());
    }
    if (message == null) {
        // mod_jk + httpd 2.x fails with a null status message - bug 45026
        message = Integer.toString(response.getStatus());
    }
    tmpMB.setString(message);
    responseMessage.appendBytes(tmpMB);

    // Special headers
    MimeHeaders headers = response.getMimeHeaders();
    String contentType = response.getContentType();
    if (contentType != null) {
        headers.setValue("Content-Type").setString(contentType);
    }
    String contentLanguage = response.getContentLanguage();
    if (contentLanguage != null) {
        headers.setValue("Content-Language").setString(contentLanguage);
    }
    long contentLength = response.getContentLengthLong();
    if (contentLength >= 0) {
        headers.setValue("Content-Length").setLong(contentLength);
    }

    // Other headers
    int numHeaders = headers.size();
    responseMessage.appendInt(numHeaders);
    for (int i = 0; i < numHeaders; i++) {
        MessageBytes hN = headers.getName(i);
        int hC = Constants.getResponseAjpIndex(hN.toString());
        if (hC > 0) {
            responseMessage.appendInt(hC);
        }
        else {
            responseMessage.appendBytes(hN);
        }
        MessageBytes hV=headers.getValue(i);
        responseMessage.appendBytes(hV);
    }

    // Write to buffer
    responseMessage.end();
    output(responseMessage.getBuffer(), 0,
            responseMessage.getLen());
}
 

/**
 * Send the response status line.
 */
public void sendStatus() {

    // Write protocol name
    write(Constants.HTTP_11_BYTES);
    buf[pos++] = Constants.SP;

    // Write status code
    int status = response.getStatus();
    switch (status) {
    case 200:
        write(Constants._200_BYTES);
        break;
    case 400:
        write(Constants._400_BYTES);
        break;
    case 404:
        write(Constants._404_BYTES);
        break;
    default:
        write(status);
    }

    buf[pos++] = Constants.SP;

    // Write message
    String message = null;
    if (org.apache.coyote.Constants.USE_CUSTOM_STATUS_MSG_IN_HEADER &&
            HttpMessages.isSafeInHttpHeader(response.getMessage())) {
        message = response.getMessage();
    }
    if (message == null) {
        write(HttpMessages.getInstance(
                response.getLocale()).getMessage(status));
    } else {
        write(message);
    }

    // End the response status line
    if (org.apache.coyote.Constants.IS_SECURITY_ENABLED){
       AccessController.doPrivileged(
            new PrivilegedAction<Void>(){
                @Override
                public Void run(){
                    buf[pos++] = Constants.CR;
                    buf[pos++] = Constants.LF;
                    return null;
                }
            }
       );
    } else {
        buf[pos++] = Constants.CR;
        buf[pos++] = Constants.LF;
    }

}
 

/**
 * Default constructor.
 */
public InternalNioOutputBuffer(Response response, int headerBufferSize) {

    this.response = response;

    buf = new byte[headerBufferSize];
    
    outputStreamOutputBuffer = new SocketOutputBuffer();

    filterLibrary = new OutputFilter[0];
    activeFilters = new OutputFilter[0];
    lastActiveFilter = -1;

    committed = false;
    finished = false;
    
    // Cause loading of HttpMessages
    HttpMessages.getInstance(response.getLocale()).getMessage(200);

}
 

/**
 * When committing the response, we have to validate the set of headers, as
 * well as setup the response filters.
 */
protected void prepareResponse() throws IOException {

    response.setCommitted(true);

    responseMessage.reset();
    responseMessage.appendByte(Constants.JK_AJP13_SEND_HEADERS);

    // Responses with certain status codes are not permitted to include a
    // response body.
    int statusCode = response.getStatus();
    if (statusCode < 200 || statusCode == 204 || statusCode == 205 ||
            statusCode == 304) {
        // No entity body
        swallowResponse = true;
    }

    // Responses to HEAD requests are not permitted to incude a response
    // body.
    MessageBytes methodMB = request.method();
    if (methodMB.equals("HEAD")) {
        // No entity body
        swallowResponse = true;
    }

    // HTTP header contents
    responseMessage.appendInt(statusCode);
    String message = null;
    if (org.apache.coyote.Constants.USE_CUSTOM_STATUS_MSG_IN_HEADER &&
            HttpMessages.isSafeInHttpHeader(response.getMessage())) {
        message = response.getMessage();
    }
    if (message == null){
        message = HttpMessages.getInstance(
                response.getLocale()).getMessage(response.getStatus());
    }
    if (message == null) {
        // mod_jk + httpd 2.x fails with a null status message - bug 45026
        message = Integer.toString(response.getStatus());
    }
    tmpMB.setString(message);
    responseMessage.appendBytes(tmpMB);

    // Special headers
    MimeHeaders headers = response.getMimeHeaders();
    String contentType = response.getContentType();
    if (contentType != null) {
        headers.setValue("Content-Type").setString(contentType);
    }
    String contentLanguage = response.getContentLanguage();
    if (contentLanguage != null) {
        headers.setValue("Content-Language").setString(contentLanguage);
    }
    long contentLength = response.getContentLengthLong();
    if (contentLength >= 0) {
        headers.setValue("Content-Length").setLong(contentLength);
    }

    // Other headers
    int numHeaders = headers.size();
    responseMessage.appendInt(numHeaders);
    for (int i = 0; i < numHeaders; i++) {
        MessageBytes hN = headers.getName(i);
        int hC = Constants.getResponseAjpIndex(hN.toString());
        if (hC > 0) {
            responseMessage.appendInt(hC);
        }
        else {
            responseMessage.appendBytes(hN);
        }
        MessageBytes hV=headers.getValue(i);
        responseMessage.appendBytes(hV);
    }

    // Write to buffer
    responseMessage.end();
    output(responseMessage.getBuffer(), 0,
            responseMessage.getLen());
}
 

/**
 * Send the response status line.
 */
public void sendStatus() {

    // Write protocol name
    write(Constants.HTTP_11_BYTES);
    buf[pos++] = Constants.SP;

    // Write status code
    int status = response.getStatus();
    switch (status) {
    case 200:
        write(Constants._200_BYTES);
        break;
    case 400:
        write(Constants._400_BYTES);
        break;
    case 404:
        write(Constants._404_BYTES);
        break;
    default:
        write(status);
    }

    buf[pos++] = Constants.SP;

    // Write message
    String message = null;
    if (org.apache.coyote.Constants.USE_CUSTOM_STATUS_MSG_IN_HEADER &&
            HttpMessages.isSafeInHttpHeader(response.getMessage())) {
        message = response.getMessage();
    }
    if (message == null) {
        write(HttpMessages.getInstance(
                response.getLocale()).getMessage(status));
    } else {
        write(message);
    }

    // End the response status line
    if (org.apache.coyote.Constants.IS_SECURITY_ENABLED){
       AccessController.doPrivileged(
            new PrivilegedAction<Void>(){
                @Override
                public Void run(){
                    buf[pos++] = Constants.CR;
                    buf[pos++] = Constants.LF;
                    return null;
                }
            }
       );
    } else {
        buf[pos++] = Constants.CR;
        buf[pos++] = Constants.LF;
    }

}
 

/**
 * Default constructor.
 */
public InternalNioOutputBuffer(Response response, int headerBufferSize) {

    this.response = response;

    buf = new byte[headerBufferSize];

    outputStreamOutputBuffer = new SocketOutputBuffer();

    filterLibrary = new OutputFilter[0];
    activeFilters = new OutputFilter[0];
    lastActiveFilter = -1;

    committed = false;
    finished = false;

    // Cause loading of HttpMessages
    HttpMessages.getInstance(response.getLocale()).getMessage(200);

}