import org.apache.tomcat.util.http.fileupload.util.FileItemHeadersImpl; //导入依赖的package包/类
/**
 * <p> Parses the <code>header-part</code> and returns as key/value
 * pairs.
 *
 * <p> If there are multiple headers of the same names, the name
 * will map to a comma-separated list containing the values.
 *
 * @param headerPart The <code>header-part</code> of the current
 *                   <code>encapsulation</code>.
 *
 * @return A <code>Map</code> containing the parsed HTTP request headers.
 */
protected FileItemHeaders getParsedHeaders(String headerPart) {
    final int len = headerPart.length();
    FileItemHeadersImpl headers = newFileItemHeaders();
    int start = 0;
    for (;;) {
        int end = parseEndOfLine(headerPart, start);
        if (start == end) {
            break;
        }
        StringBuilder header = new StringBuilder(headerPart.substring(start, end));
        start = end + 2;
        while (start < len) {
            int nonWs = start;
            while (nonWs < len) {
                char c = headerPart.charAt(nonWs);
                if (c != ' '  &&  c != '\t') {
                    break;
                }
                ++nonWs;
            }
            if (nonWs == start) {
                break;
            }
            // Continuation line found
            end = parseEndOfLine(headerPart, nonWs);
            header.append(" ").append(headerPart.substring(nonWs, end));
            start = end + 2;
        }
        parseHeaderLine(headers, header.toString());
    }
    return headers;
}
 

import org.apache.tomcat.util.http.fileupload.util.FileItemHeadersImpl; //导入依赖的package包/类
/**
 * Reads the next header line.
 * @param headers String with all headers.
 * @param header Map where to store the current header.
 */
private void parseHeaderLine(FileItemHeadersImpl headers, String header) {
    final int colonOffset = header.indexOf(':');
    if (colonOffset == -1) {
        // This header line is malformed, skip it.
        return;
    }
    String headerName = header.substring(0, colonOffset).trim();
    String headerValue =
        header.substring(header.indexOf(':') + 1).trim();
    headers.addHeader(headerName, headerValue);
}
 

import org.apache.tomcat.util.http.fileupload.util.FileItemHeadersImpl; //导入依赖的package包/类
/**
 * <p>
 * Parses the <code>header-part</code> and returns as key/value pairs.
 *
 * <p>
 * If there are multiple headers of the same names, the name will map to a
 * comma-separated list containing the values.
 *
 * @param headerPart
 *            The <code>header-part</code> of the current
 *            <code>encapsulation</code>.
 *
 * @return A <code>Map</code> containing the parsed HTTP request headers.
 */
protected FileItemHeaders getParsedHeaders(String headerPart) {
	final int len = headerPart.length();
	FileItemHeadersImpl headers = newFileItemHeaders();
	int start = 0;
	for (;;) {
		int end = parseEndOfLine(headerPart, start);
		if (start == end) {
			break;
		}
		StringBuilder header = new StringBuilder(headerPart.substring(start, end));
		start = end + 2;
		while (start < len) {
			int nonWs = start;
			while (nonWs < len) {
				char c = headerPart.charAt(nonWs);
				if (c != ' ' && c != '\t') {
					break;
				}
				++nonWs;
			}
			if (nonWs == start) {
				break;
			}
			// Continuation line found
			end = parseEndOfLine(headerPart, nonWs);
			header.append(" ").append(headerPart.substring(nonWs, end));
			start = end + 2;
		}
		parseHeaderLine(headers, header.toString());
	}
	return headers;
}
 

import org.apache.tomcat.util.http.fileupload.util.FileItemHeadersImpl; //导入依赖的package包/类
/**
 * Reads the next header line.
 * 
 * @param headers
 *            String with all headers.
 * @param header
 *            Map where to store the current header.
 */
private void parseHeaderLine(FileItemHeadersImpl headers, String header) {
	final int colonOffset = header.indexOf(':');
	if (colonOffset == -1) {
		// This header line is malformed, skip it.
		return;
	}
	String headerName = header.substring(0, colonOffset).trim();
	String headerValue = header.substring(header.indexOf(':') + 1).trim();
	headers.addHeader(headerName, headerValue);
}
 

import org.apache.tomcat.util.http.fileupload.util.FileItemHeadersImpl; //导入依赖的package包/类
/**
 * <p> Parses the <code>header-part</code> and returns as key/value
 * pairs.
 *
 * <p> If there are multiple headers of the same names, the name
 * will map to a comma-separated list containing the values.
 *
 * @param headerPart The <code>header-part</code> of the current
 *                   <code>encapsulation</code>.
 *
 * @return A <code>Map</code> containing the parsed HTTP request headers.
 */
protected FileItemHeaders getParsedHeaders(String headerPart) {
    final int len = headerPart.length();
    FileItemHeadersImpl headers = newFileItemHeaders();
    int start = 0;
    for (;;) {
        int end = parseEndOfLine(headerPart, start);
        if (start == end) {
            break;
        }
        String header = headerPart.substring(start, end);
        start = end + 2;
        while (start < len) {
            int nonWs = start;
            while (nonWs < len) {
                char c = headerPart.charAt(nonWs);
                if (c != ' '  &&  c != '\t') {
                    break;
                }
                ++nonWs;
            }
            if (nonWs == start) {
                break;
            }
            // Continuation line found
            end = parseEndOfLine(headerPart, nonWs);
            header += " " + headerPart.substring(nonWs, end);
            start = end + 2;
        }
        parseHeaderLine(headers, header);
    }
    return headers;
}
 

import org.apache.tomcat.util.http.fileupload.util.FileItemHeadersImpl; //导入依赖的package包/类
/**
 * Creates a new instance of {@link FileItemHeaders}.
 * @return The new instance.
 */
protected FileItemHeadersImpl newFileItemHeaders() {
    return new FileItemHeadersImpl();
}
 

import org.apache.tomcat.util.http.fileupload.util.FileItemHeadersImpl; //导入依赖的package包/类
/**
 * Creates a new instance of {@link FileItemHeaders}.
 * 
 * @return The new instance.
 */
protected FileItemHeadersImpl newFileItemHeaders() {
	return new FileItemHeadersImpl();
}