下面列出了java.nio.charset.UnsupportedCharsetException#getMessage ( ) 实例代码,或者点击链接到github查看源代码,也可以在右侧发表评论。
/**
* Get the entity content as a String, using the provided default character set
* if none is found in the entity.
* If defaultCharset is null, the default "ISO-8859-1" is used.
*
* @param entity must not be null
* @param defaultCharset character set to be applied if none found in the entity,
* or if the entity provided charset is invalid or not available.
* @return the entity content as a String. May be null if
* {@link HttpEntity#getContent()} is null.
* @throws ParseException if header elements cannot be parsed
* @throws IllegalArgumentException if entity is null or if content length > Integer.MAX_VALUE
* @throws IOException if an error occurs reading the input stream
* @throws java.nio.charset.UnsupportedCharsetException Thrown when the named entity's charset is not available in
* this instance of the Java virtual machine and no defaultCharset is provided.
*/
public static String toString(
final HttpEntity entity, final Charset defaultCharset) throws IOException, ParseException {
Args.notNull(entity, "Entity");
ContentType contentType = null;
try {
contentType = ContentType.get(entity);
} catch (final UnsupportedCharsetException ex) {
if (defaultCharset == null) {
throw new UnsupportedEncodingException(ex.getMessage());
}
}
if (contentType != null) {
if (contentType.getCharset() == null) {
contentType = contentType.withCharset(defaultCharset);
}
} else {
contentType = ContentType.DEFAULT_TEXT.withCharset(defaultCharset);
}
return toString(entity, contentType);
}
protected void consumeResponseContent(Map<String, String> result) throws IOException {
if (StringUtils.isEmpty(destinationFile)) {
String document;
try {
document = IOUtils.toString(httpResponse.getEntity().getContent(), responseCharacterSet);
} catch (UnsupportedCharsetException e) {
throw new IllegalArgumentException("Could not parse responseCharacterSet. " + e.getMessage(), e);
}
result.put(HttpClientService.RETURN_RESULT, document);
} else {
consumeToDestinationFile();
}
}
/**
* Get the entity content as a String, using the provided default character set
* if none is found in the entity.
* If defaultCharset is null, the default "ISO-8859-1" is used.
*
* @param entity must not be null
* @param defaultCharset character set to be applied if none found in the entity
* @return the entity content as a String. May be null if
* {@link HttpEntity#getContent()} is null.
* @throws ParseException if header elements cannot be deserialized
* @throws IllegalArgumentException if entity is null or if content length > Integer.MAX_VALUE
* @throws IOException if an error occurs reading the input stream
*/
public static String toString(
final HttpEntity entity, final Charset defaultCharset) throws IOException, ParseException {
if (entity == null) {
throw new IllegalArgumentException("HTTP entity may not be null");
}
InputStream instream = entity.getContent();
if (instream == null) {
return null;
}
try {
if (entity.getContentLength() > Integer.MAX_VALUE) {
throw new IllegalArgumentException("HTTP entity too large to be buffered in memory");
}
int i = (int)entity.getContentLength();
if (i < 0) {
i = 4096;
}
Charset charset = null;
try {
ContentType contentType = ContentType.getOrDefault(entity);
charset = contentType.getCharset();
} catch (UnsupportedCharsetException ex) {
throw new UnsupportedEncodingException(ex.getMessage());
}
if (charset == null) {
charset = defaultCharset;
}
if (charset == null) {
charset = HTTP.DEF_CONTENT_CHARSET;
}
Reader reader = new InputStreamReader(instream, charset);
CharArrayBuffer buffer = new CharArrayBuffer(i);
char[] tmp = new char[1024];
int l;
while((l = reader.read(tmp)) != -1) {
buffer.append(tmp, 0, l);
}
return buffer.toString();
} finally {
instream.close();
}
}