@Test
public void testPrepareInputIdentity() throws Exception {
final HttpResponse message = new BasicHttpResponse(HttpVersion.HTTP_1_1, 200, "OK");
final HttpEntity entity = conn.prepareInput(message);
Assert.assertNotNull(entity);
Assert.assertFalse(entity.isChunked());
Assert.assertEquals(-1, entity.getContentLength());
final InputStream instream = entity.getContent();
Assert.assertNotNull(instream);
Assert.assertTrue((instream instanceof IdentityInputStream));
}
/**
* 请求转换成汉字
*
* @param charset
* @param httpResponse
* @return
* @throws IOException
*/
protected String getContent(String charset, HttpResponse httpResponse) throws IOException {
if ("".equals(charset) || charset == null) { // 没有传递编码
HttpEntity entity = httpResponse.getEntity();
byte[] byteContent = null;
if (entity.isChunked()) {
BufferedInputStream remoteBIS = new BufferedInputStream(entity.getContent());
ByteArrayOutputStream baos = new ByteArrayOutputStream(10240);
byte[] buf = new byte[1024];
int bytesRead = 0;
while (bytesRead >= 0) {
baos.write(buf, 0, bytesRead);
try {
bytesRead = remoteBIS.read(buf);
} catch (IOException ex) {
remoteBIS.close();
log.warn("chunked");
break;
}
}
byteContent = baos.toByteArray();
baos.close();
} else {
byteContent = EntityUtils.toByteArray(entity);
}
Header header = httpResponse.getEntity().getContentType();
// charset
// 1、encoding in http header Content-Type
String ContentType = "";
if (header != null) {
ContentType = header.getValue();
}
String htmlCharset = getHtmlCharset(ContentType, byteContent);
log.info("charset is " + htmlCharset);
if (htmlCharset != null) {
setCharset(charset);
return new String(byteContent, htmlCharset);
} else {
log.warn("Charset autodetect failed, use utf-8 as charset.");
return new String(byteContent, "utf-8");
}
} else { // 如果已经传递编码，那么使用传递的
setCharset(charset);
return IOUtils.toString(httpResponse.getEntity().getContent(), charset);
}
}
@Test
public void testPrepareInputLengthDelimited() throws Exception {
final HttpResponse message = new BasicHttpResponse(HttpVersion.HTTP_1_1, 200, "OK");
message.addHeader("Content-Length", "10");
message.addHeader("Content-Type", "stuff");
message.addHeader("Content-Encoding", "identity");
final HttpEntity entity = conn.prepareInput(message);
Assert.assertNotNull(entity);
Assert.assertFalse(entity.isChunked());
Assert.assertEquals(10, entity.getContentLength());
final Header ct = entity.getContentType();
Assert.assertNotNull(ct);
Assert.assertEquals("stuff", ct.getValue());
final Header ce = entity.getContentEncoding();
Assert.assertNotNull(ce);
Assert.assertEquals("identity", ce.getValue());
final InputStream instream = entity.getContent();
Assert.assertNotNull(instream);
Assert.assertTrue((instream instanceof ContentLengthInputStream));
}
@Override
public boolean isChunked() {
return delegate.isChunked();
}
@Override
public boolean isChunked() {
return src.isChunked();
}
@Override
public boolean isChunked() {
return httpEntity.isChunked();
}