JAVA Using IOUtils.toString with HttpEntity.getContent() converting the InputStream to null

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I have strange senario i have HTTP response which i try to convert to string , the problem is that the first time it is working but in the second time the InputStream data is null and i have data only in response1

InputStream  is = entity.getContent();  
String response1 = IOUtils.toString(is, "utf-8");  // Here every thing is fine 
String respons2 = IOUtils.toString(is, "utf-8");   // Here the response2 is empty 
and is (InputStream) holding no data  

what is wrong here i need to be able to hold the data in the InputStream for future use in the code

JAVA Using IOUtils.toString with HttpEntity.getContent() converting , JAVA Using IOUtils.toString with getContent() converting the InputStream to null toString(is, "utf-8"); // Here every thing is fine String respons2 = IOUtils. IOUtils to convert an InputStream. Google Guava – provides also a powerful way to easily convert an inputStream to a String Java object. Conclusion. Check the best way to do the simple conversion – InputStream to String – in a correct and readable way – Analyze your case with above solutions and choose the best one to implement.

No, streams are not meant to be read from more than once.

If you want to keep the CONTENTS of the stream around for re-use, you can do that. In your case just re-use the response1 String.

Java Code Examples, getContent() converting the InputStream to null. ioutils.tostring example closeablehttpresponse inputstream to string ioutils.tostring alternative ioutils lineiterator  The following are Jave code examples for showing how to use getContent() of the org.apache.http.HttpEntity class. You can vote up the examples you like. Your votes will be used in our system to get more good examples.

Before reading you should check whether the stream supports resetting. You can check the result of InputStream#markSupported() that tell you whether or not you can use the pair of methods mark()/reset().

If mark supported then you can do mark() when reading and then reset() to go back to begin.

Java Code Examples org.apache.http.HttpResponse.getEntity, IOUtils.toString. The examples are extracted from open source Java projects. getContent(), StandardCharsets. readFile(newpath,null); }else{ inputStream=​repositoryService. getURI()); response = httpClient.execute(httpget, context); final HttpEntity entity = response. getTenantPropertiesName(); InputStream in = new  Returns an Iterator for the lines in an InputStream, using the character encoding specified (or default encoding if null). LineIterator holds a reference to the open InputStream specified here. When you have finished with the iterator you should close the stream to free internal resources.

If the httpEntity is not repeatable, you can wrap the InputStream in a BufferedInputStream; that way, you can reset it to allow re-reading. Essentially, the BufferedInputStream reads the data into an internal buffer the first time around, and then re-uses the buffer when you re-read.

final int bufferSize = 1_000_000; // about 1 MB; must be large enough to hold all the http content
InputStream  is = new BufferedInputStream(entity.getContent(), bufferSize);
String response1 = IOUtils.toString(is, "utf-8");
String respons2 = IOUtils.toString(is, "utf-8");  

org.apache.http.HttpEntity java code examples, The following are Jave code examples for showing how to use getEntity() of the org.apache.http.HttpResponse getEntity(); if(httpEntity == null){ return; } if(​httpEntityConsumer != null){ getEntity(); String responseString = null; if (entity != null) { InputStream getContent(); // be convinient to debug String rspJSON = IOUtils. How to chain multiple different InputStreams into one InputStream How to check whether a string contains a substring in JavaScript How to convert a String to an int in Java? inputstream to string android inputstream to string java 8 java 8 stream to string java read inputstream line by line java read inputstream to byte array scala inputstream to string

org.apache.http.client.methods.CloseableHttpResponse.getEntity , Best Java code snippets using org.apache.http. private static void appendHttpEntity(StringBuilder sb, HttpEntity e) { try { InputStream is = e. getContent(); // Create an InputStream with the response BufferedReader reader = new toString(); // Result is here is.close(); // Close the stream getStatusCode(), IOUtils. Essentially, this means that the next() call reads the entire input stream. This is known as the Stupid Scanner trick. The only reason this is a Java 7 example, and not a Java 5 one is the use of the try-with-resources statement – turning that into a standard try-finally block will compile just fine with Java 5. 6. Converting Using

Java Code Examples of org.apache.http.HttpEntity, Best Java code snippets using org.apache.http.client.methods. response) throws IOException { try (InputStream is = response.getEntity() == null ? new NullInputStream(0) : response.getEntity().getContent()) { return IOUtils.toString(is toString()); response = httpClient.execute(request); HttpEntity entity = response. private static String convertInputStreamToStringJDK9(InputStream inputStream) throws IOException { return new String(inputStream.readAllBytes(), StandardCharsets.UTF_8); } 3. Apache Commons IO – IOUtils.copy

EntityUtils (Apache HttpCore 4.4.13 API), JAVA Using IOUtils. getContent() converting the InputStream to null toString(​is, "utf-8"); // Here every thing is fine String respons2 = IOUtils. There are numerous ways to read the contents of a file using Java InputStream. Using BufferReader readLine() method. Read streams of raw bytes using Java InputStream and decode them into characters using charset. Here readLine() method read bytes from the file and convert into characters. This method will read the InputStream line by line in Java.

  • That's because the InputStream is a stream. You consume data from it. That data is then no longer in the stream. In any case, I don't see what you're trying to do. Why not just String response2 = response1?
  • this is only to show apoint that i didn't understand , how can i solve it that i can use the stream after i allready used it ?
  • By default, it's not repeatable, when you passed it to response1, everything regarding that stream(except memory address allocation) is wiped away since you terminated it by explicitly assigning it to a string response1.
  • Your statement is true, but not applicable here. An InputStream is not a