diff options
Diffstat (limited to 'src/main/java/org/openecomp/sparky/dal/servlet/ResettableStreamHttpServletRequest.java')
-rw-r--r-- | src/main/java/org/openecomp/sparky/dal/servlet/ResettableStreamHttpServletRequest.java | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/src/main/java/org/openecomp/sparky/dal/servlet/ResettableStreamHttpServletRequest.java b/src/main/java/org/openecomp/sparky/dal/servlet/ResettableStreamHttpServletRequest.java new file mode 100644 index 0000000..d7b1e6b --- /dev/null +++ b/src/main/java/org/openecomp/sparky/dal/servlet/ResettableStreamHttpServletRequest.java @@ -0,0 +1,129 @@ +/** + * ============LICENSE_START=================================================== + * SPARKY (AAI UI service) + * ============================================================================ + * Copyright © 2017 AT&T Intellectual Property. + * Copyright © 2017 Amdocs + * All rights reserved. + * ============================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * ============LICENSE_END===================================================== + * + * ECOMP and OpenECOMP are trademarks + * and service marks of AT&T Intellectual Property. + */ + +package org.openecomp.sparky.dal.servlet; + +import com.google.common.primitives.Bytes; + +import java.io.ByteArrayInputStream; +import java.io.IOException; +import java.io.InputStream; +import java.util.Arrays; + +import javax.servlet.ReadListener; +import javax.servlet.ServletInputStream; +import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpServletRequestWrapper; + +/** + * The Class ResettableStreamHttpServletRequest. + */ +public class ResettableStreamHttpServletRequest extends HttpServletRequestWrapper { + + private byte[] requestBody = new byte[0]; + private boolean bufferFilled = false; + + /** + * Constructs a request object wrapping the given request. + * + * @param request The request to wrap + * @throws IllegalArgumentException if the request is null + */ + public ResettableStreamHttpServletRequest(HttpServletRequest request) { + super(request); + } + + /** + * Get request body. + * + * @return Bytes with the request body contents. + * @throws IOException In case stream reqding fails. + */ + public byte[] getRequestBody() throws IOException { + if (bufferFilled) { + return Arrays.copyOf(requestBody, requestBody.length); + } + + InputStream inputStream = super.getInputStream(); + + byte[] buffer = new byte[102400]; + + int bytesRead; + while ((bytesRead = inputStream.read(buffer)) != -1) { + requestBody = Bytes.concat(this.requestBody, Arrays.copyOfRange(buffer, 0, bytesRead)); + } + + bufferFilled = true; + + return requestBody; + } + + @Override + public ServletInputStream getInputStream() throws IOException { + return new CustomServletInputStream(getRequestBody()); + } + + /** + * The Class CustomServletInputStream. + */ + private static class CustomServletInputStream extends ServletInputStream { + + private ByteArrayInputStream buffer; + + /** + * Instantiates a new custom servlet input stream. + * + * @param contents the contents + */ + public CustomServletInputStream(byte[] contents) { + this.buffer = new ByteArrayInputStream(contents); + } + + /* (non-Javadoc) + * @see java.io.InputStream#read() + */ + @Override + public int read() throws IOException { + return buffer.read(); + } + + @Override + public boolean isFinished() { + return buffer.available() == 0; + } + + @Override + public boolean isReady() { + return true; + } + + @Override + public void setReadListener(ReadListener arg0) { + throw new RuntimeException("Not implemented"); + } + + } + +} |