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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34 * Assumes has Fields and other Objects
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39 public abstract class ObjMarshal<T> extends Marshal<T> {
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40 // Note: Not Using List or ArrayList, because there is no "Peek" concept in their iterator.
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41 private Marshal<T>[] pml;
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47 @SuppressWarnings("unchecked")
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48 protected void add(Marshal<T> pm) {
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50 pml = new Marshal[Ladder.DEFAULT_INIT_SIZE];
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51 } else if(end>pml.length) {
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52 Object temp[] = pml;
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53 pml = new Marshal[pml.length+Ladder.DEFAULT_INIT_SIZE];
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54 System.arraycopy(temp, 0, pml, 0, pml.length);
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61 * @see com.att.rosetta.Parse#parse(java.lang.Object, com.att.rosetta.Parsed)
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63 @SuppressWarnings("unchecked")
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65 public Parsed<State> parse(T in, Parsed<State> parsed) throws ParseException {
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66 Ladder<Iterator<?>> ladder = parsed.state.ladder;
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67 Iterator<Marshal<T>> iter = (Iterator<Marshal<T>>)ladder.peek();
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70 ladder.push(new FieldsIterator());
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71 parsed.event = START_OBJ;
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73 ladder.push(DONE_ITERATOR);
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75 } else if (DONE_ITERATOR.equals(iter)) {
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77 FieldsIterator fields = (FieldsIterator)iter;
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78 ladder.ascend(); // look at field info
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79 Iterator<?> currFieldIter = ladder.peek();
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81 if(currFieldIter==null) {
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82 marshal=fields.next();
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83 } else if(!DONE_ITERATOR.equals(currFieldIter)) {
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84 marshal=fields.peek();
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85 if(marshal==null && fields.hasNext())marshal=fields.next();
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86 } else if(fields.hasNext()) {
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87 marshal=fields.next();
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94 parsed = marshal.parse(in, parsed);
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96 if(marshal==null || parsed.event==NONE) {
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97 parsed.event = END_OBJ;
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98 ladder.push(DONE_ITERATOR);
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101 return parsed; // if unchanged, then it will end process
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104 private class FieldsIterator implements Iterator<Marshal<T>> {
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105 private int idx = -1;
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108 public boolean hasNext() {
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113 public Marshal<T> next() {
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117 public Marshal<T> peek() {
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118 return idx<0?null:pml[idx];
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122 public void remove() {
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