2 * ============LICENSE_START====================================================
4 * ===========================================================================
5 * Copyright (c) 2018 AT&T Intellectual Property. All rights reserved.
6 * ===========================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * ============LICENSE_END====================================================
22 package org.onap.aaf.misc.rosetta.marshal;
24 import java.util.Iterator;
25 import java.util.NoSuchElementException;
27 import org.onap.aaf.misc.rosetta.Ladder;
28 import org.onap.aaf.misc.rosetta.Marshal;
29 import org.onap.aaf.misc.rosetta.ParseException;
30 import org.onap.aaf.misc.rosetta.Parsed;
34 * Assumes has Fields and other Objects
40 public abstract class ObjMarshal<T> extends Marshal<T> {
41 // Note: Not Using List or ArrayList, because there is no "Peek" concept in their iterator.
42 private Marshal<T>[] pml;
48 @SuppressWarnings("unchecked")
49 protected void add(Marshal<T> pm) {
51 pml = new Marshal[Ladder.DEFAULT_INIT_SIZE];
52 } else if(end>pml.length) {
54 pml = new Marshal[pml.length+Ladder.DEFAULT_INIT_SIZE];
55 System.arraycopy(temp, 0, pml, 0, pml.length);
62 * @see org.onap.aaf.misc.rosetta.Parse#parse(java.lang.Object, org.onap.aaf.misc.rosetta.Parsed)
64 @SuppressWarnings("unchecked")
66 public Parsed<State> parse(T in, Parsed<State> parsed) throws ParseException {
67 Ladder<Iterator<?>> ladder = parsed.state.ladder;
68 Iterator<Marshal<T>> iter = (Iterator<Marshal<T>>)ladder.peek();
71 ladder.push(new FieldsIterator());
72 parsed.event = START_OBJ;
74 ladder.push(DONE_ITERATOR);
76 } else if (DONE_ITERATOR.equals(iter)) {
78 FieldsIterator fields = (FieldsIterator)iter;
79 ladder.ascend(); // look at field info
80 Iterator<?> currFieldIter = ladder.peek();
82 if(currFieldIter==null) {
83 marshal=fields.next();
84 } else if(!DONE_ITERATOR.equals(currFieldIter)) {
85 marshal=fields.peek();
86 if(marshal==null && fields.hasNext())marshal=fields.next();
87 } else if(fields.hasNext()) {
88 marshal=fields.next();
95 parsed = marshal.parse(in, parsed);
97 if(marshal==null || parsed.event==NONE) {
98 parsed.event = END_OBJ;
99 ladder.push(DONE_ITERATOR);
102 return parsed; // if unchanged, then it will end process
105 private class FieldsIterator implements Iterator<Marshal<T>> {
106 private int idx = -1;
109 public boolean hasNext() {
114 public Marshal<T> next() {
116 throw new NoSuchElementException();
121 public Marshal<T> peek() {
122 return idx<0?null:pml[idx];
126 public void remove() {