1 | package org.greenstone.gatherer.metadata;
|
---|
2 |
|
---|
3 |
|
---|
4 | import java.io.File;
|
---|
5 | import org.greenstone.gatherer.Gatherer;
|
---|
6 | import org.greenstone.gatherer.util.XMLTools;
|
---|
7 | import org.w3c.dom.*;
|
---|
8 |
|
---|
9 |
|
---|
10 | /** This class represents one Metadata element */
|
---|
11 | public class MetadataElement
|
---|
12 | {
|
---|
13 | private String metadata_element_name_full = null;
|
---|
14 | private Element metadata_element_element = null;
|
---|
15 | private MetadataValueTreeModel metadata_value_tree_model = null;
|
---|
16 |
|
---|
17 |
|
---|
18 | public MetadataElement(String metadata_element_name_full, Element metadata_element_element)
|
---|
19 | {
|
---|
20 | this.metadata_element_name_full = metadata_element_name_full;
|
---|
21 | this.metadata_element_element = metadata_element_element;
|
---|
22 | this.metadata_value_tree_model = new MetadataValueTreeModel(this);
|
---|
23 | }
|
---|
24 |
|
---|
25 |
|
---|
26 | public MetadataValueTreeNode addMetadataValue(String metadata_value)
|
---|
27 | {
|
---|
28 | return metadata_value_tree_model.addMetadataValue(metadata_value);
|
---|
29 | }
|
---|
30 |
|
---|
31 |
|
---|
32 | public String getAttribute(String attribute_name, String language_code)
|
---|
33 | {
|
---|
34 | // Some extracted metadata elements may not be in ex.mds, and so have no attributes
|
---|
35 | if (metadata_element_element == null) {
|
---|
36 | return null;
|
---|
37 | }
|
---|
38 |
|
---|
39 | Element parent_element = metadata_element_element;
|
---|
40 | boolean language_matches = false;
|
---|
41 |
|
---|
42 | NodeList language_elements_nodelist = metadata_element_element.getElementsByTagName("Language");
|
---|
43 | for (int i = 0; i < language_elements_nodelist.getLength(); i++) {
|
---|
44 | Element current_language_element = (Element) language_elements_nodelist.item(i);
|
---|
45 | String current_language_element_code = current_language_element.getAttribute("code");
|
---|
46 | if (current_language_element_code.equals(language_code)) {
|
---|
47 | // Found language; use it for the next step
|
---|
48 | parent_element = current_language_element;
|
---|
49 | language_matches = true;
|
---|
50 | break;
|
---|
51 | }
|
---|
52 | }
|
---|
53 |
|
---|
54 | NodeList attribute_elements_nodelist = parent_element.getElementsByTagName("Attribute");
|
---|
55 | for (int i = 0; i < attribute_elements_nodelist.getLength(); i++) {
|
---|
56 | Element current_attribute_element = (Element) attribute_elements_nodelist.item(i);
|
---|
57 | String current_attribute_element_name = current_attribute_element.getAttribute("name");
|
---|
58 | if (!current_attribute_element_name.equals(attribute_name)) {
|
---|
59 | // Move on to the next Attribute element if the name doesn't match
|
---|
60 | continue;
|
---|
61 | }
|
---|
62 |
|
---|
63 | // Check if the language matches
|
---|
64 | String current_attribute_element_language = current_attribute_element.getAttribute("language");
|
---|
65 | if (language_matches || current_attribute_element_language.equals(language_code)) {
|
---|
66 | // Found attribute; returns its value
|
---|
67 | return XMLTools.getElementTextValue(current_attribute_element);
|
---|
68 | }
|
---|
69 | }
|
---|
70 |
|
---|
71 | return null;
|
---|
72 | }
|
---|
73 |
|
---|
74 |
|
---|
75 | public String getDisplayName()
|
---|
76 | {
|
---|
77 | String metadata_element_display_name = MetadataTools.getMetadataElementAttribute(this, "identifier", Gatherer.config.getLanguage(), "en");
|
---|
78 | if (metadata_element_display_name != null) {
|
---|
79 | return getNamespace() + "." + metadata_element_display_name;
|
---|
80 | }
|
---|
81 |
|
---|
82 | return metadata_element_name_full;
|
---|
83 | }
|
---|
84 |
|
---|
85 |
|
---|
86 | public MetadataValueTreeModel getMetadataValueTreeModel()
|
---|
87 | {
|
---|
88 | return metadata_value_tree_model;
|
---|
89 | }
|
---|
90 |
|
---|
91 |
|
---|
92 | public MetadataValueTreeNode getMetadataValueTreeNode(String metadata_value)
|
---|
93 | {
|
---|
94 | return metadata_value_tree_model.getMetadataValueTreeNode(metadata_value);
|
---|
95 | }
|
---|
96 |
|
---|
97 |
|
---|
98 | public String getFullName()
|
---|
99 | {
|
---|
100 | return metadata_element_name_full;
|
---|
101 | }
|
---|
102 |
|
---|
103 |
|
---|
104 | public String getNamespace()
|
---|
105 | {
|
---|
106 | return MetadataTools.getMetadataSetNamespace(metadata_element_name_full);
|
---|
107 | }
|
---|
108 |
|
---|
109 |
|
---|
110 | public String getName()
|
---|
111 | {
|
---|
112 | return MetadataTools.getMetadataElementName(metadata_element_name_full);
|
---|
113 | }
|
---|
114 |
|
---|
115 |
|
---|
116 | public boolean isExtractedMetadata()
|
---|
117 | {
|
---|
118 | return getNamespace().equals(MetadataSetManager.EXTRACTED_METADATA_NAMESPACE);
|
---|
119 | }
|
---|
120 |
|
---|
121 |
|
---|
122 | /** This is used to display the element in the metadata value table */
|
---|
123 | public String toString()
|
---|
124 | {
|
---|
125 | return getDisplayName();
|
---|
126 | }
|
---|
127 |
|
---|
128 |
|
---|
129 | public void writeHierarchyFile(File hierarchy_file)
|
---|
130 | {
|
---|
131 | metadata_value_tree_model.writeHierarchyFile(hierarchy_file);
|
---|
132 | }
|
---|
133 | }
|
---|