Java HttpMessage.getHeaders方法代码示例

import org.apache.http.HttpMessage; //导入方法依赖的package包/类
protected void recordCookie(HttpMessage httpMessage, Trace trace) {
    org.apache.http.Header[] cookies = httpMessage.getHeaders("Cookie");
    for (org.apache.http.Header header : cookies) {
        final String value = header.getValue();
        if (StringUtils.hasLength(value)) {
            if (cookieSampler.isSampling()) {
                final SpanEventRecorder recorder = trace.currentSpanEventRecorder();
                recorder.recordAttribute(AnnotationKey.HTTP_COOKIE, StringUtils.abbreviate(value, 1024));
            }

            // Can a cookie have 2 or more values?
            // PMD complains if we use break here
            return;
        }
    }
}
 

import org.apache.http.HttpMessage; //导入方法依赖的package包/类
protected boolean has(final String headerName, final String headerValueOrElement, final HttpMessage message) {
	Header[] headers = message.getHeaders(headerName);
	for (Header header : headers) {
		if (header.getValue().equals(headerValueOrElement))
			return true;

		HeaderElement[] elements = header.getElements();
		for (HeaderElement element : elements)
			if (element.getName().equals(headerValueOrElement))
				return true;
	}
	return false;
}
 

import org.apache.http.HttpMessage; //导入方法依赖的package包/类
protected boolean hasCacheControlParameterFrom(final HttpMessage msg, final String[] params) {
    final Header[] cacheControlHeaders = msg.getHeaders(HeaderConstants.CACHE_CONTROL);
    for (final Header header : cacheControlHeaders) {
        for (final HeaderElement elem : header.getElements()) {
            for (final String param : params) {
                if (param.equalsIgnoreCase(elem.getName())) {
                    return true;
                }
            }
        }
    }
    return false;
}
 

import org.apache.http.HttpMessage; //导入方法依赖的package包/类
protected void recordCookie(HttpMessage httpMessage, SpanEventRecorder recorder) {
    org.apache.http.Header[] cookies = httpMessage.getHeaders("Cookie");
    for (org.apache.http.Header header : cookies) {
        final String value = header.getValue();
        if (value != null && !value.isEmpty()) {
            if (cookieSampler.isSampling()) {
                recorder.recordAttribute(AnnotationKey.HTTP_COOKIE, StringUtils.abbreviate(value, 1024));
            }

            // Can a cookie have 2 or more values?
            // PMD complains if we use break here
            return;
        }
    }
}
 

import org.apache.http.HttpMessage; //导入方法依赖的package包/类
protected boolean hasCacheControlParameterFrom(HttpMessage msg,
		String[] params) {
	Header[] cacheControlHeaders = msg
			.getHeaders(HeaderConstants.CACHE_CONTROL);
	for (Header header : cacheControlHeaders) {
		for (HeaderElement elem : header.getElements()) {
			for (String param : params) {
				if (param.equalsIgnoreCase(elem.getName())) {
					return true;
				}
			}
		}
	}
	return false;
}
 

import org.apache.http.HttpMessage; //导入方法依赖的package包/类
public long determineLength(final HttpMessage message) throws HttpException {
    if (message == null) {
        throw new IllegalArgumentException("HTTP message may not be null");
    }

    HttpParams params = message.getParams();
    boolean strict = params.isParameterTrue(CoreProtocolPNames.STRICT_TRANSFER_ENCODING);

    Header transferEncodingHeader = message.getFirstHeader(HTTP.TRANSFER_ENCODING);
    // We use Transfer-Encoding if present and ignore Content-Length.
    // RFC2616, 4.4 item number 3
    if (transferEncodingHeader != null) {
        HeaderElement[] encodings = null;
        try {
            encodings = transferEncodingHeader.getElements();
        } catch (ParseException px) {
            throw new ProtocolException
                ("Invalid Transfer-Encoding header value: " +
                 transferEncodingHeader, px);
        }
        if (strict) {
            // Currently only chunk and identity are supported
            for (int i = 0; i < encodings.length; i++) {
                String encoding = encodings[i].getName();
                if (encoding != null && encoding.length() > 0
                    && !encoding.equalsIgnoreCase(HTTP.CHUNK_CODING)
                    && !encoding.equalsIgnoreCase(HTTP.IDENTITY_CODING)) {
                    throw new ProtocolException("Unsupported transfer encoding: " + encoding);
                }
            }
        }
        // The chunked encoding must be the last one applied RFC2616, 14.41
        int len = encodings.length;
        if (HTTP.IDENTITY_CODING.equalsIgnoreCase(transferEncodingHeader.getValue())) {
            return IDENTITY;
        } else if ((len > 0) && (HTTP.CHUNK_CODING.equalsIgnoreCase(
                encodings[len - 1].getName()))) {
            return CHUNKED;
        } else {
            if (strict) {
                throw new ProtocolException("Chunk-encoding must be the last one applied");
            }
            return IDENTITY;
        }
    }
    Header contentLengthHeader = message.getFirstHeader(HTTP.CONTENT_LEN);
    if (contentLengthHeader != null) {
        long contentlen = -1;
        Header[] headers = message.getHeaders(HTTP.CONTENT_LEN);
        if (strict && headers.length > 1) {
            throw new ProtocolException("Multiple content length headers");
        }
        for (int i = headers.length - 1; i >= 0; i--) {
            Header header = headers[i];
            try {
                contentlen = Long.parseLong(header.getValue());
                break;
            } catch (NumberFormatException e) {
                if (strict) {
                    throw new ProtocolException("Invalid content length: " + header.getValue());
                }
            }
            // See if we can have better luck with another header, if present
        }
        if (contentlen >= 0) {
            return contentlen;
        } else {
            return IDENTITY;
        }
    }
    return this.implicitLen;
}
 

import org.apache.http.HttpMessage; //导入方法依赖的package包/类
public long determineLength(final HttpMessage message) throws HttpException {
    Args.notNull(message, "HTTP message");

    final Header transferEncodingHeader = message.getFirstHeader(HTTP.TRANSFER_ENCODING);
    // We use Transfer-Encoding if present and ignore Content-Length.
    // RFC2616, 4.4 item number 3
    if (transferEncodingHeader != null) {
        final HeaderElement[] encodings;
        try {
            encodings = transferEncodingHeader.getElements();
        } catch (final ParseException px) {
            throw new ProtocolException
                ("Invalid Transfer-Encoding header value: " +
                 transferEncodingHeader, px);
        }
        // The chunked encoding must be the last one applied RFC2616, 14.41
        final int len = encodings.length;
        if (HTTP.IDENTITY_CODING.equalsIgnoreCase(transferEncodingHeader.getValue())) {
            return IDENTITY;
        } else if ((len > 0) && (HTTP.CHUNK_CODING.equalsIgnoreCase(
                encodings[len - 1].getName()))) {
            return CHUNKED;
        } else {
            return IDENTITY;
        }
    }
    final Header contentLengthHeader = message.getFirstHeader(HTTP.CONTENT_LEN);
    if (contentLengthHeader != null) {
        long contentlen = -1;
        final Header[] headers = message.getHeaders(HTTP.CONTENT_LEN);
        for (int i = headers.length - 1; i >= 0; i--) {
            final Header header = headers[i];
            try {
                contentlen = Long.parseLong(header.getValue());
                break;
            } catch (final NumberFormatException ignore) {
            }
            // See if we can have better luck with another header, if present
        }
        if (contentlen >= 0) {
            return contentlen;
        } else {
            return IDENTITY;
        }
    }
    return this.implicitLen;
}