1 |
15
|
jones
|
/**
|
2 |
|
|
* Name: DBSAXElement.java
|
3 |
|
|
* Purpose: A Class that represents an XML element and its contents
|
4 |
|
|
* Institution: National Center for Ecological Analysis and Synthesis
|
5 |
|
|
* Copyright: 2000
|
6 |
|
|
* Authors: Matt Jones
|
7 |
|
|
*
|
8 |
|
|
* Version: '$Id$'
|
9 |
|
|
*/
|
10 |
|
|
|
11 |
|
|
//package project;
|
12 |
|
|
|
13 |
|
|
import java.sql.*;
|
14 |
|
|
import java.io.IOException;
|
15 |
|
|
import java.util.Hashtable;
|
16 |
|
|
import java.util.Enumeration;
|
17 |
|
|
|
18 |
|
|
public class DBSAXElement {
|
19 |
|
|
|
20 |
|
|
private long element_id;
|
21 |
|
|
private String tagname;
|
22 |
|
|
private StringBuffer content;
|
23 |
|
|
private boolean isEmpty;
|
24 |
|
|
private long parent_id;
|
25 |
|
|
private Hashtable attributes;
|
26 |
|
|
|
27 |
|
|
public DBSAXElement (long element_id, String tagname,
|
28 |
|
|
boolean isEmpty, long parent_id) {
|
29 |
|
|
this.element_id = element_id;
|
30 |
|
|
this.tagname = tagname;
|
31 |
|
|
this.isEmpty = isEmpty;
|
32 |
|
|
this.parent_id = parent_id;
|
33 |
|
|
content = new StringBuffer();
|
34 |
|
|
attributes = new Hashtable();
|
35 |
|
|
};
|
36 |
|
|
|
37 |
|
|
// used by JTree to display this node
|
38 |
|
|
public String toString ()
|
39 |
|
|
{
|
40 |
|
|
StringBuffer value = new StringBuffer ();
|
41 |
|
|
value.append ('<');
|
42 |
|
|
value.append (getTagName ());
|
43 |
|
|
value.append (getAttributes ().toString ());
|
44 |
|
|
value.append ('>');
|
45 |
|
|
return value.toString ();
|
46 |
|
|
}
|
47 |
|
|
|
48 |
|
|
/** Get the name of this element */
|
49 |
|
|
public String getTagName() { return tagname; }
|
50 |
|
|
|
51 |
|
|
/** Get the attributes as a string */
|
52 |
|
|
public String getAttributes() {
|
53 |
|
|
StringBuffer buf = new StringBuffer();
|
54 |
|
|
String attName = null;
|
55 |
|
|
String attValue = null;
|
56 |
|
|
|
57 |
|
|
Enumeration attList = attributes.keys();
|
58 |
|
|
while (attList.hasMoreElements()) {
|
59 |
|
|
attName = (String)attList.nextElement();
|
60 |
|
|
attValue = (String)attributes.get(attName);
|
61 |
|
|
buf.append(" ").append(attName).append("=").append(attValue);
|
62 |
|
|
}
|
63 |
|
|
return buf.toString();
|
64 |
|
|
}
|
65 |
|
|
|
66 |
|
|
/** Add a new attribute to this element, or set its value */
|
67 |
|
|
public void setAttribute(String attName, String attValue) {
|
68 |
|
|
if (attName != null) {
|
69 |
|
|
attributes.put(attName, attValue);
|
70 |
|
|
} else {
|
71 |
|
|
System.err.println("Attribute name must not be null!");
|
72 |
|
|
}
|
73 |
|
|
}
|
74 |
|
|
|
75 |
|
|
/** Get an attribute value by name */
|
76 |
|
|
public String getAttribute(String attName) {
|
77 |
|
|
return (String)attributes.get(attName);
|
78 |
|
|
}
|
79 |
|
|
|
80 |
|
|
/** Append to the content of the element */
|
81 |
|
|
public void appendContent(char[] cbuf, int start, int len) {
|
82 |
|
|
this.content.append( cbuf, start, len );
|
83 |
|
|
}
|
84 |
|
|
|
85 |
|
|
/** Append to the content of the element */
|
86 |
|
|
public void appendContent(String new_content) {
|
87 |
|
|
this.content.append( new_content );
|
88 |
|
|
}
|
89 |
|
|
|
90 |
|
|
/** Get the content of the element */
|
91 |
|
|
public String getContent() {
|
92 |
|
|
return this.content.toString();
|
93 |
|
|
}
|
94 |
|
|
}
|