Java HttpResponse.addHeader方法代码示例

import ch.boye.httpclientandroidlib.HttpResponse; //导入方法依赖的package包/类
public void process(final HttpResponse response, final HttpContext context)
        throws HttpException, IOException {
    Args.notNull(response, "HTTP response");
    if (!response.containsHeader(HTTP.SERVER_HEADER)) {
        if (this.originServer != null) {
            response.addHeader(HTTP.SERVER_HEADER, this.originServer);
        }
    }
}
 

import ch.boye.httpclientandroidlib.HttpResponse; //导入方法依赖的package包/类
/**
 * For 304 Not modified responses, adds a "Last-Modified" header with the
 * value of the "If-Modified-Since" header passed in the request. This
 * header is required to be able to reuse match the cache entry for
 * subsequent requests but as defined in http specifications it is not
 * included in 304 responses by backend servers. This header will not be
 * included in the resulting response.
 */
private void storeRequestIfModifiedSinceFor304Response(
        final HttpRequest request, final HttpResponse backendResponse) {
    if (backendResponse.getStatusLine().getStatusCode() == HttpStatus.SC_NOT_MODIFIED) {
        final Header h = request.getFirstHeader("If-Modified-Since");
        if (h != null) {
            backendResponse.addHeader("Last-Modified", h.getValue());
        }
    }
}
 

import ch.boye.httpclientandroidlib.HttpResponse; //导入方法依赖的package包/类
private void ensure200ForOPTIONSRequestWithNoBodyHasContentLengthZero(final HttpRequest request,
        final HttpResponse response) {
    if (!request.getRequestLine().getMethod().equalsIgnoreCase(HeaderConstants.OPTIONS_METHOD)) {
        return;
    }

    if (response.getStatusLine().getStatusCode() != HttpStatus.SC_OK) {
        return;
    }

    if (response.getFirstHeader(HTTP.CONTENT_LEN) == null) {
        response.addHeader(HTTP.CONTENT_LEN, "0");
    }
}
 

import ch.boye.httpclientandroidlib.HttpResponse; //导入方法依赖的package包/类
/**
 * Processes the response (possibly updating or inserting) Content-Length and Transfer-Encoding headers.
 * @param response The HttpResponse to modify.
 * @param context Unused.
 * @throws ProtocolException If either the Content-Length or Transfer-Encoding headers are found.
 * @throws IllegalArgumentException If the response is null.
 */
public void process(final HttpResponse response, final HttpContext context)
        throws HttpException, IOException {
    Args.notNull(response, "HTTP response");
    if (this.overwrite) {
        response.removeHeaders(HTTP.TRANSFER_ENCODING);
        response.removeHeaders(HTTP.CONTENT_LEN);
    } else {
        if (response.containsHeader(HTTP.TRANSFER_ENCODING)) {
            throw new ProtocolException("Transfer-encoding header already present");
        }
        if (response.containsHeader(HTTP.CONTENT_LEN)) {
            throw new ProtocolException("Content-Length header already present");
        }
    }
    final ProtocolVersion ver = response.getStatusLine().getProtocolVersion();
    final HttpEntity entity = response.getEntity();
    if (entity != null) {
        final long len = entity.getContentLength();
        if (entity.isChunked() && !ver.lessEquals(HttpVersion.HTTP_1_0)) {
            response.addHeader(HTTP.TRANSFER_ENCODING, HTTP.CHUNK_CODING);
        } else if (len >= 0) {
            response.addHeader(HTTP.CONTENT_LEN, Long.toString(entity.getContentLength()));
        }
        // Specify a content type if known
        if (entity.getContentType() != null && !response.containsHeader(
                HTTP.CONTENT_TYPE )) {
            response.addHeader(entity.getContentType());
        }
        // Specify a content encoding if known
        if (entity.getContentEncoding() != null && !response.containsHeader(
                HTTP.CONTENT_ENCODING)) {
            response.addHeader(entity.getContentEncoding());
        }
    } else {
        final int status = response.getStatusLine().getStatusCode();
        if (status != HttpStatus.SC_NO_CONTENT
                && status != HttpStatus.SC_NOT_MODIFIED
                && status != HttpStatus.SC_RESET_CONTENT) {
            response.addHeader(HTTP.CONTENT_LEN, "0");
        }
    }
}
 

import ch.boye.httpclientandroidlib.HttpResponse; //导入方法依赖的package包/类
private void ensure206ContainsDateHeader(final HttpResponse response) {
    if (response.getFirstHeader(HTTP.DATE_HEADER) == null) {
        response.addHeader(HTTP.DATE_HEADER, DateUtils.formatDate(new Date()));
    }

}