1 /*******************************************************************************
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2 * ============LICENSE_START====================================================
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4 * * ===========================================================================
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5 * * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
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6 * * ===========================================================================
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7 * * Licensed under the Apache License, Version 2.0 (the "License");
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8 * * you may not use this file except in compliance with the License.
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9 * * You may obtain a copy of the License at
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11 * * http://www.apache.org/licenses/LICENSE-2.0
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13 * * Unless required by applicable law or agreed to in writing, software
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14 * * distributed under the License is distributed on an "AS IS" BASIS,
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15 * * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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16 * * See the License for the specific language governing permissions and
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17 * * limitations under the License.
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18 * * ============LICENSE_END====================================================
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20 * * ECOMP is a trademark and service mark of AT&T Intellectual Property.
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22 ******************************************************************************/
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23 package org.onap.aaf.rosetta.marshal;
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25 import java.util.Iterator;
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27 import org.onap.aaf.rosetta.Ladder;
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28 import org.onap.aaf.rosetta.Marshal;
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29 import org.onap.aaf.rosetta.ParseException;
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30 import org.onap.aaf.rosetta.Parsed;
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32 public class DocMarshal<T> extends Marshal<T> {
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33 private Marshal<T> root;
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35 public DocMarshal(Marshal<T> root) {
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40 public Parsed<State> parse(T t, Parsed<State> parsed) throws ParseException {
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41 Ladder<Iterator<?>> ladder = parsed.state.ladder;
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42 Iterator<?> iter = ladder.peek();
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44 ladder.push(PENDING_ITERATOR);
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45 parsed.event = START_DOC;
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46 } else if (DONE_ITERATOR.equals(iter)) {
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48 ladder.ascend(); // look at field info
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49 Iterator<?> currFieldIter = ladder.peek();
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50 if(!DONE_ITERATOR.equals(currFieldIter)){
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51 parsed = root.parse(t, parsed);
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54 if(DONE_ITERATOR.equals(currFieldIter) || parsed.event==NONE) {
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55 parsed.event = END_DOC;
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56 ladder.push(DONE_ITERATOR);
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59 return parsed; // if unchanged, then it will end process
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63 public static final Iterator<Void> PENDING_ITERATOR = new Iterator<Void>() {
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65 public boolean hasNext() {
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70 public Void next() {
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75 public void remove() {
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79 public static<T> DocMarshal<T> root(Marshal<T> m) {
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80 return (DocMarshal<T>)new DocMarshal<T>(m);
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