Skip to main content
summaryrefslogtreecommitdiffstats
blob: 2e72fca8b292d638e2f0134036949ae80151f965 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
/*******************************************************************************
 * Copyright (c) 2011, 2016 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.help.internal.webapp.parser;

import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.Properties;

import org.eclipse.help.internal.webapp.utils.JSonHelper;

public class ParseElement {

	private Properties props;
	private ArrayList<ParseElement> children = new ArrayList<>();
	private ParseElement parent;

	public ParseElement(Properties props, ParseElement parent) {
		this.props = props;
		this.parent = parent;
	}

	public ParseElement(Properties props) {
		this(props, null);
	}

	public void updateParseElement(Properties props) {
		this.props = props;
	}

	public Properties getProps() {
		return props;
	}

	public ParseElement getParent() {
		return parent;
	}

	public String getProperty(String key) {
		return (props != null) ? props.getProperty(key) : ""; //$NON-NLS-1$
	}

	@Override
	public String toString() {
		return (props != null) ? props.toString() : ""; //$NON-NLS-1$
	}

	public void addChild(ParseElement elem) {
		children.add(elem);
	}

	public int getChildrenCount() {
		return children.size();
	}

	public String toJSON(int level) {

		StringBuffer buff = new StringBuffer();

		String space = JSonHelper.SPACE;
		for (int s = 0; s < level; s++) {
			space += JSonHelper.SPACE;
		}

		buff.append(JSonHelper.NEWLINE + space);
		buff.append(JSonHelper.BEGIN_BRACE);

		if (props != null) {
			Enumeration<?> enumObj = props.keys();
			while (enumObj.hasMoreElements()) {

				String key = (String) enumObj.nextElement();
				String val = props.getProperty(key);

				buff.append(JSonHelper.NEWLINE + space + JSonHelper.SPACE);
				buff.append(key);
				buff.append(JSonHelper.COLON);
				try {
					val = URLEncoder.encode(val, "UTF-8"); //$NON-NLS-1$
				} catch (UnsupportedEncodingException e) {
					e.printStackTrace();
				}
				buff.append(JSonHelper.getQuotes(val));
				buff.append(JSonHelper.COMMA);
			}
		}

		if (children.size() <= 0) {
			int len = buff.length();
			char ch = buff.charAt(len - 1);
			if (ch == ',') {
				buff.deleteCharAt(len - 1);
				buff.append(JSonHelper.NEWLINE + space);
			}

		} else {

			buff.append(JSonHelper.NEWLINE + space + JSonHelper.SPACE);
			buff.append(JSonHelper.CHILDREN);
			buff.append(JSonHelper.COLON);
			buff.append(JSonHelper.BEGIN_BRACKET);

			for (int i = 0; i < children.size(); i++) {

				if (i > 0)
					buff.append(JSonHelper.COMMA);

				ParseElement element = children.get(i);
				buff.append(element.toJSON(level + 2));
			}

			buff.append(JSonHelper.NEWLINE + space + JSonHelper.SPACE);

			buff.append(JSonHelper.END_BRACKET);
			buff.append(JSonHelper.NEWLINE + space);
		}

		buff.append(JSonHelper.END_BRACE);

		return buff.toString();
	}

	public String toJSON() {

		StringBuffer buff = new StringBuffer();

		if (props != null) {
			Enumeration<?> enumObj = props.keys();
			while (enumObj.hasMoreElements()) {

				String key = (String) enumObj.nextElement();
				String val = props.getProperty(key);

				buff.append(JSonHelper.NEWLINE + JSonHelper.SPACE);
				buff.append(key);
				buff.append(JSonHelper.COLON);
				try {
					val = URLEncoder.encode(val, "UTF-8"); //$NON-NLS-1$
				} catch (UnsupportedEncodingException e) {
					e.printStackTrace();
				}
				buff.append(JSonHelper.getQuotes(val));
				buff.append(JSonHelper.COMMA);
			}
		}

		if (children.size() <= 0) {
			int len = buff.length();
			char ch = buff.charAt(len - 1);
			if (ch == ',') {
				buff.deleteCharAt(len - 1);
				buff.append(JSonHelper.NEWLINE);
			}

		} else {

			buff.append(JSonHelper.NEWLINE + JSonHelper.SPACE);
			buff.append(JSonHelper.ITEMS);
			buff.append(JSonHelper.COLON);
			buff.append(JSonHelper.BEGIN_BRACKET);

			for (int i = 0; i < children.size(); i++) {

				if (i > 0)
					buff.append(JSonHelper.COMMA);

				ParseElement child = children.get(i);
				buff.append(child.toJSON(1));
			}

			buff.append(JSonHelper.NEWLINE + JSonHelper.SPACE);

			buff.append(JSonHelper.END_BRACKET);
			buff.append(JSonHelper.NEWLINE);
		}

		return buff.toString();
	}
}

Back to the top