diff options
Diffstat (limited to 'common-app-api/src/main/java/org/openecomp/sdc/common/impl/MutableHttpServletRequest.java')
-rw-r--r-- | common-app-api/src/main/java/org/openecomp/sdc/common/impl/MutableHttpServletRequest.java | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/common-app-api/src/main/java/org/openecomp/sdc/common/impl/MutableHttpServletRequest.java b/common-app-api/src/main/java/org/openecomp/sdc/common/impl/MutableHttpServletRequest.java new file mode 100644 index 0000000000..c7ce7a8c32 --- /dev/null +++ b/common-app-api/src/main/java/org/openecomp/sdc/common/impl/MutableHttpServletRequest.java @@ -0,0 +1,73 @@ +/*- + * ============LICENSE_START======================================================= + * SDC + * ================================================================================ + * Copyright (C) 2017 AT&T Intellectual Property. 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========================================================= + */ + +package org.openecomp.sdc.common.impl; + +import java.util.Collections; +import java.util.Enumeration; +import java.util.HashMap; +import java.util.HashSet; +import java.util.Map; +import java.util.Set; + +import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpServletRequestWrapper; + +public final class MutableHttpServletRequest extends HttpServletRequestWrapper { + // holds custom header and value mapping + private final Map<String, String> customHeaders; + + public MutableHttpServletRequest(HttpServletRequest request) { + super(request); + this.customHeaders = new HashMap<String, String>(); + } + + public void putHeader(String name, String value) { + this.customHeaders.put(name, value); + } + + public String getHeader(String name) { + // check the custom headers first + String headerValue = customHeaders.get(name); + + if (headerValue != null) { + return headerValue; + } + // else return from into the original wrapped object + return ((HttpServletRequest) getRequest()).getHeader(name); + } + + public Enumeration<String> getHeaderNames() { + // create a set of the custom header names + Set<String> set = new HashSet<String>(customHeaders.keySet()); + + // now add the headers from the wrapped request object + @SuppressWarnings("unchecked") + Enumeration<String> e = ((HttpServletRequest) getRequest()).getHeaderNames(); + while (e.hasMoreElements()) { + // add the names of the request headers into the list + String n = e.nextElement(); + set.add(n); + } + + // create an enumeration from the set and return + return Collections.enumeration(set); + } +} |