diff options
Diffstat (limited to 'rosetta/src/main/java/org/onap/aaf/rosetta/InXML.java')
| -rw-r--r-- | rosetta/src/main/java/org/onap/aaf/rosetta/InXML.java | 487 |
1 files changed, 0 insertions, 487 deletions
diff --git a/rosetta/src/main/java/org/onap/aaf/rosetta/InXML.java b/rosetta/src/main/java/org/onap/aaf/rosetta/InXML.java deleted file mode 100644 index 25e91db..0000000 --- a/rosetta/src/main/java/org/onap/aaf/rosetta/InXML.java +++ /dev/null @@ -1,487 +0,0 @@ -/*******************************************************************************
- * ============LICENSE_START====================================================
- * * org.onap.aaf
- * * ===========================================================================
- * * Copyright © 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====================================================
- * *
- * * ECOMP is a trademark and service mark of AT&T Intellectual Property.
- * *
- ******************************************************************************/
-package org.onap.aaf.rosetta;
-
-import java.io.IOException;
-import java.io.Reader;
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.Stack;
-
-import org.onap.aaf.inno.env.Env;
-import org.onap.aaf.inno.env.TimeTaken;
-import org.onap.aaf.rosetta.InXML.State;
-
-public class InXML implements Parse<Reader, State> {
- // package on purpose
- JaxInfo jaxInfo;
-
- public InXML(JaxInfo jaxInfo) {
- this.jaxInfo = jaxInfo;
- }
-
- public InXML(Class<?> cls, String ... rootNs) throws SecurityException, NoSuchFieldException, ClassNotFoundException, ParseException {
- jaxInfo = JaxInfo.build(cls,rootNs);
- }
-
-
- // @Override
- public Parsed<State> parse(Reader r, Parsed<State> parsed) throws ParseException {
- State state = parsed.state;
-
- // OK, before anything else, see if there is leftover processing, if so, do it!
- if(state.unevaluated!=null) {
- DerTag dt = state.unevaluated;
- state.unevaluated = null;
- if(!state.greatExp.eval(parsed, dt))return parsed;
- }
-
- if(state.hasAttributes()) {
- Prop prop = state.pop();
- parsed.event = Parse.ATTRIB;
- parsed.name = prop.tag;
- parsed.sb.append(prop.value);
- parsed.isString=true;
- return parsed;
- }
- int ch;
- char c;
- boolean inQuotes = false, escaped = false;
-
- StringBuilder sb = parsed.sb, tempSB = new StringBuilder();
- boolean go = true;
-
- try {
- while(go && (ch=r.read())>=0) {
- c = (char)ch;
- if(c == '"') {
- if(state.greatExp instanceof LeafExpectations) { // within a set of Tags, make a Quote
- sb.append(c);
- } else {
- if(inQuotes) {
- if(escaped) {
- sb.append('\\');
- sb.append(c);
- escaped = false;
- } else {
- inQuotes = false;
- }
- } else {
- parsed.isString=true;
- inQuotes = true;
- }
- }
- } else if(inQuotes) {
- sb.append(c);
- } else if(c=='&') {
- XmlEscape.xmlEscape(sb,r);
- } else {
- switch(c) {
- case '<':
- DerTag tag=new DerTag().parse(r, tempSB);
- go = state.greatExp.eval(parsed, tag);
- break;
- default:
- // don't add Whitespace to start of SB... saves removing later
- if(sb.length()>0) {
- sb.append(c);
- } else if(!Character.isWhitespace(c)) {
- sb.append(c);
- }
- }
- }
- }
- return parsed;
- } catch (IOException e) {
- throw new ParseException(e);
- }
- }
-
- public static final class DerTag {
- public String name;
- public boolean isEndTag;
- public List<Prop> props;
- private boolean isXmlInfo;
- //private String ns;
-
- public DerTag() {
- name=null;
- isEndTag = false;
- props = null;
- isXmlInfo = false;
- }
-
- public DerTag parse(Reader r, StringBuilder sb) throws ParseException {
- int ch;
- char c;
- boolean inQuotes = false, escaped = false;
- boolean go = true;
- String tag = null;
-
- try {
- if((ch = r.read())<0) throw new ParseException("Reader content ended before complete");
- if(ch=='?') {
- isXmlInfo = true;
- }
- // TODO Check for !-- comments
- do {
- c=(char)ch;
- if(c=='"') {
- if(inQuotes) {
- if(escaped) {
- sb.append(c);
- escaped = false;
- } else {
- inQuotes = false;
- }
- } else {
- inQuotes = true;
- }
- } else if(inQuotes) {
- sb.append(c);
- } else {
- switch(c) {
- case '/':
- isEndTag = true;
- break;
- case ' ':
- endField(tag,sb);
- tag = null;
- break;
- case '>':
- endField(tag,sb);
- go = false;
- break;
- case '=':
- tag = sb.toString();
- sb.setLength(0);
- break;
-// case ':':
-// ns = sb.toString();
-// sb.setLength(0);
-// break;
- case '?':
- if(!isXmlInfo)sb.append(c);
- break;
- default:
- sb.append(c);
- }
- }
- } while(go && (ch=r.read())>=0);
- } catch (IOException e) {
- throw new ParseException(e);
- }
- return this;
- }
-
- private void endField(String tag, StringBuilder sb) {
- if(name==null) {
- name = sb.toString();
- sb.setLength(0);
- } else {
- String value = sb.toString();
- sb.setLength(0);
- if(tag !=null && value != null) {
- if(props==null)props = new ArrayList<Prop>();
- props.add(new Prop(tag,value));
- }
- }
- }
-
- public String toString() {
- StringBuilder sb = new StringBuilder();
- sb.append(isEndTag?"End":"Start");
- sb.append(" Tag\n");
- sb.append(" Name: ");
- sb.append(name);
- if(props!=null) for(Prop p : props) {
- sb.append("\n ");
- sb.append(p.tag);
- sb.append("=\"");
- sb.append(p.value);
- sb.append('"');
- }
- return sb.toString();
- }
- }
-
- private static class ArrayState {
- public boolean firstObj = true;
- public boolean didNext = false;
- }
-
- public static class State {
- public GreatExpectations greatExp;
- public DerTag unevaluated;
- public Stack<ArrayState> arrayInfo;
- private List<Prop> attribs;
- private int idx;
- public State(JaxInfo ji, DerTag dt) throws ParseException {
- greatExp = new RootExpectations(this, ji, null);
- unevaluated = null;
- attribs = null;;
- }
-
- public boolean hasAttributes() {
- return attribs!=null && idx<attribs.size();
- }
-
- public void push(Prop prop) {
- if(attribs==null) {
- attribs = new ArrayList<Prop>();
- idx = 0;
- }
- attribs.add(prop);
- }
-
- public Prop pop() {
- Prop rv = null;
- if(attribs!=null) {
- rv = attribs.get(idx++);
- if(idx>=attribs.size())attribs = null;
- }
- return rv;
- }
- }
-
- private static abstract class GreatExpectations {
- protected JaxInfo ji;
- protected GreatExpectations prev;
- private Map<String,String> ns;
-
- public GreatExpectations(State state, JaxInfo curr, GreatExpectations prev, DerTag derTag) throws ParseException {
- this.prev = prev;
- ns = null;
- ji = getDerived(state, curr,derTag);
- }
-
- public abstract boolean eval(Parsed<State> parsed, DerTag derTag) throws ParseException;
-
- // Recursively look back for any namespaces
- protected Map<String,String> getNS() {
- if(ns!=null)return ns;
- if(prev!=null) {
- return prev.getNS();
- }
- return null;
- }
-
- private void addNS(Prop prop) {
- Map<String,String> existingNS = getNS();
- if(ns==null)ns = new HashMap<String,String>();
- // First make a copy of previous NSs so that we have everything we need, but can overwrite, if necessary
- if(existingNS!=null && ns!=existingNS) {
- ns.putAll(ns);
- }
- ns.put(prop.tag, prop.value);
- }
-
- private JaxInfo getDerived(State state, JaxInfo ji, DerTag derTag) throws ParseException {
- if(derTag==null)return ji;
-
- List<Prop> props = derTag.props;
-
- Prop derived = null;
- if(props!=null) {
- // Load Namespaces (if any)
- for(Prop prop : props) {
- if(prop.tag.startsWith("xmlns:")) {
- addNS(prop);
- }
- }
- for(Prop prop : props) {
- if(prop.tag.endsWith(":type")) {
- int idx = prop.tag.indexOf(':');
- String potentialNS = "xmlns:"+prop.tag.substring(0,idx);
- Map<String,String> ns = getNS();
- boolean noNamespace = false;
- if(ns==null) {
- noNamespace = true;
- } else {
- String nsVal = ns.get(potentialNS);
- if(nsVal==null) noNamespace = true;
- else {
- derived = new Prop(Parsed.EXTENSION_TAG,prop.value);
- state.push(derived);
- }
- }
- if(noNamespace) {
- throw new ParseException(prop.tag + " utilizes an invalid Namespace prefix");
- }
- } else if(!prop.tag.startsWith("xmlns")) {
- state.push(prop);
- }
- }
- }
- return derived==null?ji:ji.getDerived(derived.value);
- }
- }
-
- private static class RootExpectations extends GreatExpectations {
-
- public RootExpectations(State state, JaxInfo curr, GreatExpectations prev) throws ParseException {
- super(state,curr,prev, null);
- }
-
- // @Override
- public boolean eval(Parsed<State> parsed, DerTag derTag) throws ParseException {
- if(derTag.isXmlInfo) {
- parsed.event = START_DOC;
- } else if(ji.name.equals(derTag.name)) {
- if(derTag.isEndTag) {
- parsed.event = END_DOC;
- parsed.state.greatExp = prev;
- } else {
- //parsed.name = derTag.name;
- parsed.event = START_OBJ;
- parsed.state.greatExp = new ObjectExpectations(parsed.state,ji, this, false, derTag);
- }
- }
- return false;
- }
- }
-
- private static class ObjectExpectations extends GreatExpectations {
- private boolean printName;
-
- public ObjectExpectations(State state, JaxInfo curr, GreatExpectations prev, boolean printName, DerTag derTag) throws ParseException {
- super(state, curr, prev, derTag);
- this.printName=printName;
- }
-
- // @Override
- public boolean eval(Parsed<State> parsed, DerTag derTag) throws ParseException {
- if(derTag.isEndTag && ji.name.equals(derTag.name)) {
- parsed.state.greatExp = prev;
- parsed.event = END_OBJ;
- if(printName)parsed.name = ji.name;
- } else {
- //Standard Members
- for(JaxInfo memb : ji.members) {
- if(memb.name.equals(derTag.name)) {
- parsed.name = memb.name;
- if(memb.isArray) {
- parsed.state.unevaluated = derTag; // evaluate within Array Context
- parsed.event = START_ARRAY;
- parsed.state.greatExp = new ArrayExpectations(parsed.state,memb,this);
- return false;
- } else if(memb.isObject()) {
- if(derTag.isEndTag) {
- throw new ParseException("Unexpected End Tag </" + derTag.name + '>');
- } else {
- parsed.event = START_OBJ;
-
- parsed.state.greatExp = new ObjectExpectations(parsed.state, memb,this,true,derTag);
- return false;
- }
- } else { // a leaf
- if(derTag.isEndTag) {
- throw new ParseException("Misplaced End Tag </" + parsed.name + '>');
- } else {
- parsed.state.greatExp = new LeafExpectations(parsed.state,memb, this);
- return true; // finish out Leaf without returning
- }
- }
- }
- }
-
- throw new ParseException("Unexpected Tag <" + derTag.name + '>');
- }
- return false;
- }
- }
-
- private static class LeafExpectations extends GreatExpectations {
- public LeafExpectations(State state, JaxInfo curr, GreatExpectations prev) throws ParseException {
- super(state, curr, prev, null);
- }
-
- // @Override
- public boolean eval(Parsed<State> parsed, DerTag derTag) throws ParseException {
- if(ji.name.equals(derTag.name) && derTag.isEndTag) {
- parsed.event = NEXT;
- parsed.isString = ji.isString;
- parsed.state.greatExp = prev;
- } else {
- throw new ParseException("Expected </" + ji.name + '>');
- }
- return false;
- }
- }
-
- private static class ArrayExpectations extends GreatExpectations {
- public ArrayExpectations(State state, JaxInfo ji, GreatExpectations prev) throws ParseException {
- super(state, ji, prev,null);
- if(state.arrayInfo==null)state.arrayInfo=new Stack<ArrayState>();
- state.arrayInfo.push(new ArrayState());
- }
- // @Override
- public boolean eval(Parsed<State> parsed, DerTag derTag) throws ParseException {
- if(ji.name.equals(derTag.name) && !derTag.isEndTag) {
- if(ji.isObject()) {
- if(derTag.isEndTag) {
- throw new ParseException("Unexpected End Tag </" + derTag.name + '>');
- } else {
- ArrayState ai = parsed.state.arrayInfo.peek();
- if(ai.firstObj || ai.didNext) {
- ai.firstObj = false;
- ai.didNext = false;
- parsed.event = START_OBJ;
- parsed.name=derTag.name;
- parsed.state.greatExp = new ObjectExpectations(parsed.state,ji,this,true, derTag);
- } else {
- ai.didNext = true;
- parsed.event = NEXT;
- parsed.state.unevaluated = derTag;
- }
- }
- } else { // a leave
- if(derTag.isEndTag) {
- throw new ParseException("Misplaced End Tag </" + parsed.name + '>');
- } else {
- parsed.state.greatExp = new LeafExpectations(parsed.state, ji, this);
- return true; // finish out Leaf without returning
- }
- }
- } else { // Tag now different... Array is done
- parsed.state.unevaluated = derTag;
- parsed.event=END_ARRAY;
- parsed.state.greatExp = prev;
- parsed.state.arrayInfo.pop();
- }
- return false;
- }
- }
- // @Override
- public Parsed<State> newParsed() throws ParseException {
- return new Parsed<State>(new State(jaxInfo, null));
- }
-
- // @Override
- public TimeTaken start(Env env) {
- return env.start("Rosetta XML In", Env.XML);
- }
-
-}
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