diff options
Diffstat (limited to 'rosetta/src/main/java/com/att/rosetta/InJson.java')
| -rw-r--r-- | rosetta/src/main/java/com/att/rosetta/InJson.java | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/rosetta/src/main/java/com/att/rosetta/InJson.java b/rosetta/src/main/java/com/att/rosetta/InJson.java new file mode 100644 index 0000000..9462e67 --- /dev/null +++ b/rosetta/src/main/java/com/att/rosetta/InJson.java @@ -0,0 +1,156 @@ +/*******************************************************************************
+ * ============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.rosetta;
+
+import java.io.IOException;
+import java.io.Reader;
+
+import com.att.inno.env.Env;
+import com.att.inno.env.TimeTaken;
+import com.att.rosetta.InJson.State;
+
+public class InJson implements Parse<Reader, State> {
+ public Parsed<State> parse(Reader r, Parsed<State> parsed) throws ParseException {
+ // First things first, if there's a "leftover" event, process that immediately
+ State state = (State)parsed.state;
+ if(state.unsent > 0) {
+ parsed.event = state.unsent;
+ state.unsent = 0;
+ return parsed;
+ }
+
+ int ch;
+ char c;
+ StringBuilder sb = parsed.sb;
+ boolean inQuotes = false, escaped = false;
+ boolean go = true;
+ try {
+ // Gather data from Reader, looking for special characters when not in Quotes
+ while(go && (ch=r.read())>=0) {
+ if(state.braces>=0 || ch==Parse.START_OBJ) { // ignore garbage/whitespace before content
+ c=(char)ch;
+ // Character is a quote.
+ if(c=='"') {
+ if(inQuotes) {
+ if(escaped) { // if escaped Quote, add to data.
+ sb.append(c);
+ escaped = false;
+ } else {
+ inQuotes = false;
+ }
+ } else {
+ parsed.isString=true;
+ inQuotes = true;
+ }
+ } else { // Not a Quote
+ if(inQuotes) {
+ if(c=='\\') {
+ if(escaped) {
+ sb.append("\\\\");
+ escaped = false;
+ } else {
+ escaped = true;
+ }
+ } else {
+ sb.append(c);
+ }
+ } else {
+ switch(c) {
+ case ':':
+ parsed.dataIsName();
+ parsed.isString = false;
+ break;
+ case Parse.START_OBJ:
+ if(state.braces++ == 0) {
+ parsed.event = START_DOC;
+ state.unsent = c;
+ } else {
+ parsed.event = c;
+ }
+ go = false;
+ break;
+ case Parse.END_OBJ:
+ if(--state.braces == 0) {
+ parsed.event = c;
+ state.unsent = END_DOC;
+ } else {
+ parsed.event = c;
+ }
+ go = false;
+ break;
+ // These three end the data gathering, and send it along with the event that is ending the data gathering
+ case Parse.NEXT:
+ if(parsed.name.startsWith("__")) {
+ parsed.event = Parse.ATTRIB;
+ parsed.name = parsed.name.substring(2);
+ } else {
+ parsed.event = c;
+ }
+ go = false;
+ break;
+ case Parse.START_ARRAY:
+ case Parse.END_ARRAY:
+ parsed.event = c;
+ go = false;
+ break;
+
+ // The Escape Sequence, for Quote marks within Quotes
+ case '\\':
+ // Ignore these, unless within quotes, at which point data-gather
+ case ' ':
+ case '\b':
+ case '\f':
+ case '\n':
+ case '\r':
+ case '\t':
+ break;
+ // Normal data... gather it
+ default:
+ sb.append(c);
+ }
+ }
+ }
+ }
+ }
+ return parsed;
+ } catch (IOException e) {
+ throw new ParseException(e);
+ }
+ }
+
+ public static class State {
+ public int braces = 0;
+ public char unsent = 0;
+ }
+
+// @Override
+ public Parsed<State> newParsed() {
+ return new Parsed<State>(new State()); // no State needed
+ }
+
+// @Override
+ public TimeTaken start(Env env) {
+ return env.start("Rosetta JSON In", Env.JSON);
+ }
+}
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