/**
* Append a query string to an URL. This adds a '?' or a '&' or nothing, as needed.
*
* @param urlString existing URL string
* @param queryString query string, or null
* @return resulting URL
*/
public static String appendQueryString(String urlString, String queryString) {
if (org.apache.commons.lang.StringUtils.isBlank(queryString)) {
return urlString;
} else {
final StringBuilder updatedActionStringBuilder = new StringBuilder(urlString);
updatedActionStringBuilder.append((urlString.indexOf('?') == -1) ? '?' : '&');
updatedActionStringBuilder.append(queryString);
return updatedActionStringBuilder.toString();
}
}
/**
* 下载文件的时候会使用的方法，把硬盘里的数据读取出来，然后再解析成 byte[]数组，以便下面再往客户端去写数据
*
* @return
* @throws IOException
*/
public byte[] getFileContent(String filePath) throws IOException {
StringBuilder builder = new StringBuilder();
FileReader fr = new FileReader(filePath);
BufferedReader br = new BufferedReader(fr);
String readLineStr = null;
while ((readLineStr = br.readLine()) != null) {
builder.append(readLineStr);
}
String fileContent = builder.toString();
return Base64.decode(fileContent);
}
/**
* Encode a Human Readable Resource Identifier to a URI. Leading and trailing spaces are removed
* first.
*
* <p>NOTE: See more recent W3C note: http://www.w3.org/TR/2008/NOTE-leiri-20081103/
*
* @param uriString URI to encode
* @param processSpace whether to process the space character or leave it unchanged
* @return encoded URI, or null if uriString was null
*/
public static String encodeHRRI(String uriString, boolean processSpace) {
if (uriString == null) return null;
// Note that the XML Schema spec says "Spaces are, in principle, allowed in the ·lexical space·
// of anyURI,
// however, their use is highly discouraged (unless they are encoded by %20).".
// We assume that we never want leading or trailing spaces. You can use %20 if you really want
// this.
uriString = uriString.trim();
// We try below to follow the "Human Readable Resource Identifiers" RFC, in draft as of
// 2007-06-06.
// * the control characters #x0 to #x1F and #x7F to #x9F
// * space #x20
// * the delimiters "<" #x3C, ">" #x3E, and """ #x22
// * the unwise characters "{" #x7B, "}" #x7D, "|" #x7C, "\" #x5C, "^" #x5E, and "`" #x60
final StringBuilder sb = new StringBuilder(uriString.length() * 2);
for (int i = 0; i < uriString.length(); i++) {
final char currentChar = uriString.charAt(i);
if (currentChar >= 0
&& (currentChar <= 0x1f
|| (processSpace && currentChar == 0x20)
|| currentChar == 0x22
|| currentChar == 0x3c
|| currentChar == 0x3e
|| currentChar == 0x5c
|| currentChar == 0x5e
|| currentChar == 0x60
|| (currentChar >= 0x7b && currentChar <= 0x7d)
|| (currentChar >= 0x7f && currentChar <= 0x9f))) {
sb.append('%');
sb.append(NumberUtils.toHexString((byte) currentChar).toUpperCase());
} else {
sb.append(currentChar);
}
}
return sb.toString();
}
/**
* 返回FileRepositoryDTO类
*
* @return
* @throws IOException s
* @see FileRepositoryDTO
*/
public FileRepositoryDTO getFileContentWithFileRepository(
String filePath, FileRepository fileRepository) throws IOException {
StringBuilder builder = new StringBuilder();
filePath = Config.UPLOAD_FILE_PATH + "/" + filePath + "/" + fileRepository.getId() + ".xzsoft";
FileReader fr = new FileReader(filePath);
BufferedReader br = new BufferedReader(fr);
String readLineStr = null;
while ((readLineStr = br.readLine()) != null) {
builder.append(readLineStr);
}
String fileContent = builder.toString();
FileRepositoryDTO dto = new FileRepositoryDTO();
BeanMapper.copy(fileRepository, dto);
dto.setContent(Base64.decode(fileContent));
return dto;
}
/** Encode a query string. The input Map contains names indexing Object[]. */
public static String encodeQueryString(Map parameters) {
final StringBuilder sb = new StringBuilder(100);
boolean first = true;
try {
for (Object o : parameters.keySet()) {
final String name = (String) o;
final Object[] values = (Object[]) parameters.get(name);
for (final Object currentValue : values) {
if (currentValue instanceof String) {
if (!first) sb.append('&');
sb.append(URLEncoder.encode(name, NetUtils.STANDARD_PARAMETER_ENCODING));
sb.append('=');
sb.append(
URLEncoder.encode((String) currentValue, NetUtils.STANDARD_PARAMETER_ENCODING));
first = false;
}
}
}
} catch (UnsupportedEncodingException e) {
// Should not happen as we are using a required encoding
throw new OXFException(e);
}
return sb.toString();
}
/** Combine a path info and a parameters map to form a path info with a query string. */
public static String pathInfoParametersToPathInfoQueryString(String pathInfo, Map parameters)
throws IOException {
final StringBuilder redirectURL = new StringBuilder(pathInfo);
if (parameters != null) {
boolean first = true;
for (Object o : parameters.keySet()) {
final String name = (String) o;
final Object[] values = (Object[]) parameters.get(name);
for (final Object currentValue : values) {
if (currentValue instanceof String) {
redirectURL.append(first ? "?" : "&");
redirectURL.append(URLEncoder.encode(name, NetUtils.STANDARD_PARAMETER_ENCODING));
redirectURL.append("=");
redirectURL.append(
URLEncoder.encode((String) currentValue, NetUtils.STANDARD_PARAMETER_ENCODING));
first = false;
}
}
}
}
return redirectURL.toString();
}