diff options
Diffstat (limited to 'authz-core/src/main/java/com/att/cssa/rserv/Acceptor.java')
| -rw-r--r-- | authz-core/src/main/java/com/att/cssa/rserv/Acceptor.java | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/authz-core/src/main/java/com/att/cssa/rserv/Acceptor.java b/authz-core/src/main/java/com/att/cssa/rserv/Acceptor.java new file mode 100644 index 00000000..ea2850aa --- /dev/null +++ b/authz-core/src/main/java/com/att/cssa/rserv/Acceptor.java @@ -0,0 +1,170 @@ +/*******************************************************************************
+ * ============LICENSE_START====================================================
+ * * org.onap.aai
+ * * ===========================================================================
+ * * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
+ * * Copyright © 2017 Amdocs
+ * * ===========================================================================
+ * * 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 is a trademark and service mark of AT&T Intellectual Property.
+ * *
+ ******************************************************************************/
+package com.att.cssa.rserv;
+
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+
+import com.att.inno.env.Trans;
+
+/**
+ * Find Acceptable Paths and place them where TypeCode can evaluate.
+ *
+ * If there are more than one, TypeCode will choose based on "q" value
+ *
+ * @param <TRANS>
+ */
+class Acceptor<TRANS extends Trans> {
+ private List<Pair<String, Pair<HttpCode<TRANS,?>, List<Pair<String, Object>>>>> types;
+ List<Pair<String, Pair<HttpCode<TRANS,?>, List<Pair<String, Object>>>>> acceptable;
+
+ public Acceptor(List<Pair<String, Pair<HttpCode<TRANS,?>, List<Pair<String, Object>>>>> types) {
+ this.types = types;
+ acceptable = new ArrayList<Pair<String, Pair<HttpCode<TRANS,?>, List<Pair<String, Object>>>>>();
+ }
+
+ private boolean eval(HttpCode<TRANS,?> code, String str, List<String> props) {
+// int plus = str.indexOf('+');
+// if(plus<0) {
+ boolean ok = false;
+ boolean any = false;
+ for(Pair<String, Pair<HttpCode<TRANS,?>, List<Pair<String, Object>>>> type : types) {
+ ok = true;
+ if(type.x.equals(str)) {
+ for(Iterator<String> iter = props.iterator();ok && iter.hasNext();) {
+ ok = props(type,iter.next(),iter.next());
+ }
+ if(ok) {
+ any = true;
+ acceptable.add(type);
+ }
+ }
+ }
+// } else { // Handle Accepts with "+" as in application/xaml+xml
+// int prev = str.indexOf('/')+1;
+// String first = str.substring(0,prev);
+// String nstr;
+// while(prev!=0) {
+// nstr = first + (plus<0?str.substring(prev):str.substring(prev,plus));
+//
+// for(Pair<String, Pair<HttpCode<TRANS,?>, List<Pair<String, Object>>>> type : types) {
+// if(type.x.equals(nstr)) {
+// acceptable.add(type);
+// return type;
+// }
+// }
+// prev = plus+1;
+// plus=str.indexOf('+', prev);
+// };
+// }
+ return any;
+ }
+
+ /**
+ * Evaluate Properties
+ * @param type
+ * @param tag
+ * @param value
+ * @return
+ */
+ private boolean props(Pair<String, Pair<HttpCode<TRANS,?>, List<Pair<String, Object>>>> type, String tag, String value) {
+ boolean rv = false;
+ if(type.y!=null) {
+ for(Pair<String,Object> prop : type.y.y){
+ if(tag.equals(prop.x)) {
+ if(tag.equals("charset")) {
+ return prop.x==null?false:prop.y.equals(value.toLowerCase()); // return True if Matched
+ } else if(tag.equals("version")) {
+ return prop.y.equals(new Version(value)); // Note: Version Class knows Minor Version encoding
+ } else if(tag.equals(Content.Q)) { // replace Q value
+ try {
+ type.y.y.get(0).y=Float.parseFloat(value);
+ } catch (NumberFormatException e) {
+ rv=false; // need to do something to make Sonar happy. But nothing to do.
+ }
+ return true;
+ } else {
+ return value.equals(prop.y);
+ }
+ }
+ }
+ }
+ return rv;
+ }
+
+ /**
+ * parse
+ *
+ * Note: I'm processing by index to avoid lots of memory creation, which speeds things
+ * up for this time critical section of code.
+ * @param code
+ * @param cntnt
+ * @return
+ */
+ protected boolean parse(HttpCode<TRANS, ?> code, String cntnt) {
+ byte bytes[] = cntnt.getBytes();
+
+ int cis,cie=-1,cend;
+ int sis,sie,send;
+ String name;
+ ArrayList<String> props = new ArrayList<String>();
+ do {
+ // Clear these in case more than one Semi
+ props.clear(); // on loop, do not want mixed properties
+ name=null;
+
+ cis = cie+1; // find comma start
+ while(cis<bytes.length && Character.isSpaceChar(bytes[cis]))++cis;
+ cie = cntnt.indexOf(',',cis); // find comma end
+ cend = cie<0?bytes.length:cie; // If no comma, set comma end to full length, else cie
+ while(cend>cis && Character.isSpaceChar(bytes[cend-1]))--cend;
+ // Start SEMIS
+ sie=cis-1;
+ do {
+ sis = sie+1; // semi start is one after previous end
+ while(sis<bytes.length && Character.isSpaceChar(bytes[sis]))++sis;
+ sie = cntnt.indexOf(';',sis);
+ send = sie>cend || sie<0?cend:sie; // if the Semicolon is after the comma, or non-existent, use comma end, else keep
+ while(send>sis && Character.isSpaceChar(bytes[send-1]))--send;
+ if(name==null) { // first entry in Comma set is the name, not a property
+ name = new String(bytes,sis,send-sis);
+ } else { // We've looped past the first Semi, now process as properties
+ // If there are additional elements (more entities within Semi Colons)
+ // apply Properties
+ int eq = cntnt.indexOf('=',sis);
+ if(eq>sis && eq<send) {
+ props.add(new String(bytes,sis,eq-sis));
+ props.add(new String(bytes,eq+1,send-(eq+1)));
+ }
+ }
+ // End Property
+ } while(sie<=cend && sie>=cis); // End SEMI processing
+ // Now evaluate Comma set and return if true
+ if(eval(code,name,props))return true; // else loop again to check next comma
+ } while(cie>=0); // loop to next comma
+ return false; // didn't get even one match
+ }
+
+}
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