[jdom-interest] Element.hasMixedContent() method
Brett McLaughlin
brett.mclaughlin at lutris.com
Fri Jun 2 16:23:06 PDT 2000
Kevin Regan wrote:
>
> Could this be implemented a good deal more efficiently
> and simply:
>
> Class prevClass = null;
> Iterator i = content.iterator();
> while (i.hasNext()) {
> Object obj = i.next();
> Class newClass = obj.getClass();
>
> if (newClass != prevClass) {
> if (prevClass != null) {
> return true;
> }
> prevClass = newClass;
> }
> }
>
> return false;
yup. Done.
>
> _______________________________________________
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--
Brett McLaughlin, Enhydra Strategist
Lutris Technologies, Inc.
1200 Pacific Avenue, Suite 300
Santa Cruz, CA 95060 USA
http://www.lutris.com
http://www.enhydra.org
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From: Jihua Ye <ji_hua_ye at yahoo.com>
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Subject: [jdom-interest] getChildren()
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I tried to get a list of children for a given element. When I print the list returned by getChildren(), I can see every child element appears twice in the list. Why? Can anyone tell me what's wrong in the following code? Thanks.
test.xml
<?xml version="1.0"?>
<person><firstName>Smith</firstName><lastName>Johnson</lastName><age>14</age></person>
ChildrenTest.java
import java.io.*;
import java.util.*;
import org.jdom.*;
import org.jdom.input.*;
public class ChildrenTest {
public static void main(String[] args) {
String filename = "test.xml";
try {
SAXBuilder builder = new SAXBuilder();
Document doc = builder.build(new File(filename));
Element root = doc.getRootElement();
file://System.out.println("root=" + root.getName());
ArrayList aList = new ArrayList(root.getChildren());
System.out.println("root has children: " + aList.size());
for (int i=0; i<aList.size(); i++) {
Element elem = (Element) aList.get(i);
System.out.println(i + elem.getName() + " = " + elem.getContent());
}
} catch (Exception e) {
e.printStackTrace();
}
}
}
result:
Copyright (C) 1996-99 Symantec Corporation
root=person
list=[org.jdom.Element at cc6e897d, org.jdom.Element at ccd2897d, org.jdom.Element at cf4
e897d, org.jdom.Element at cc6e897d, org.jdom.Element at ccd2897d, org.jdom.Element at cf
4e897d]
root has children: 6
0firstName = Smith
1lastName = Johnson
2age = 14
3firstName = Smith
4lastName = Johnson
5age = 14
---------------------------------
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<P>I tried to get a list of children for a given element. When I print the list returned by getChildren(), I can see every child element appears twice in the list. Why? Can anyone tell me what's wrong in the following code? Thanks.</P><BR>
<P><STRONG>test.xml</STRONG></P><BR>
<P><?xml version="1.0"?><BR><person><firstName>Smith</firstName><lastName>Johnson</lastName><age>14</age></person></P><BR>
<P><STRONG>ChildrenTest.java</STRONG></P><BR>
<P>import java.io.*;<BR>import java.util.*;<BR>import org.jdom.*;<BR>import org.jdom.input.*;</P><BR>
<P>public class ChildrenTest {<BR> public static void main(String[] args) {<BR> <BR> String filename = "test.xml";<BR> try {<BR> SAXBuilder builder = new SAXBuilder();<BR> Document doc = builder.build(new File(filename));<BR> Element root = doc.getRootElement();<BR> <A href="file://System.out.println/">file://System.out.println</A>("root=" + root.getName());<BR> <BR> ArrayList aList = new ArrayList(root.getChildren());<BR> System.out.println("root has children: " + aList.size());<BR> for (int i=0; i<aList.size(); i++) {<BR> Element elem = (Element) aList.get(i);<BR> System.out.println(i + elem.getName() + " = " + elem.getContent());<BR> <BR> }<BR> <BR> } catch (Exception e) {<BR> e.printStackTrace();<BR> }<BR> }<BR>}<BR></P><BR>
<P><STRONG>result:</STRONG></P><BR>
<P>Copyright (C) 1996-99 Symantec Corporation</P><BR>
<P>root=person<BR>list=[org.jdom.Element at cc6e897d, org.jdom.Element at ccd2897d, org.jdom.Element at cf4<BR>e897d, org.jdom.Element at cc6e897d, org.jdom.Element at ccd2897d, org.jdom.Element at cf<BR>4e897d]<BR>root has children: 6<BR>0firstName = Smith<BR>1lastName = Johnson<BR>2age = 14<BR>3firstName = Smith<BR>4lastName = Johnson<BR>5age = 14<BR><BR></P><p><br><hr size=1><b>Do You Yahoo!?</b><br>
<a href="http://photos.yahoo.com/">Yahoo! Photos</a> -- now, 100 FREE prints!
--0-1957747793-959975482=:20208--
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Date: Fri, 2 Jun 2000 12:51:22 -0700 (PDT)
From: Jihua Ye <ji_hua_ye at yahoo.com>
To: jdom-interest at jdom.org
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Subject: [jdom-interest] getChildren()
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I tried to get a list of children for a given element. When I print the list returned by getChildren(), I can see every child element appears twice in the list. Why? Can anyone tell me what's wrong in the following code? Thanks.
test.xml
<?xml version="1.0"?>
<person><firstName>Smith</firstName><lastName>Johnson</lastName><age>14</age></person>
ChildrenTest.java
import java.io.*;
import java.util.*;
import org.jdom.*;
import org.jdom.input.*;
public class ChildrenTest {
public static void main(String[] args) {
String filename = "test.xml";
try {
SAXBuilder builder = new SAXBuilder();
Document doc = builder.build(new File(filename));
Element root = doc.getRootElement();
file://System.out.println("root=" + root.getName());
ArrayList aList = new ArrayList(root.getChildren());
System.out.println("root has children: " + aList.size());
for (int i=0; i<aList.size(); i++) {
Element elem = (Element) aList.get(i);
System.out.println(i + elem.getName() + " = " + elem.getContent());
}
} catch (Exception e) {
e.printStackTrace();
}
}
}
result:
Copyright (C) 1996-99 Symantec Corporation
root=person
list=[org.jdom.Element at cc6e897d, org.jdom.Element at ccd2897d, org.jdom.Element at cf4
e897d, org.jdom.Element at cc6e897d, org.jdom.Element at ccd2897d, org.jdom.Element at cf
4e897d]
root has children: 6
0firstName = Smith
1lastName = Johnson
2age = 14
3firstName = Smith
4lastName = Johnson
5age = 14
---------------------------------
Do You Yahoo!?
Yahoo! Photos -- now, 100 FREE prints!
--0-1957747793-959975482=:20208
Content-Type: text/html; charset=us-ascii
<P>I tried to get a list of children for a given element. When I print the list returned by getChildren(), I can see every child element appears twice in the list. Why? Can anyone tell me what's wrong in the following code? Thanks.</P><BR>
<P><STRONG>test.xml</STRONG></P><BR>
<P><?xml version="1.0"?><BR><person><firstName>Smith</firstName><lastName>Johnson</lastName><age>14</age></person></P><BR>
<P><STRONG>ChildrenTest.java</STRONG></P><BR>
<P>import java.io.*;<BR>import java.util.*;<BR>import org.jdom.*;<BR>import org.jdom.input.*;</P><BR>
<P>public class ChildrenTest {<BR> public static void main(String[] args) {<BR> <BR> String filename = "test.xml";<BR> try {<BR> SAXBuilder builder = new SAXBuilder();<BR> Document doc = builder.build(new File(filename));<BR> Element root = doc.getRootElement();<BR> <A href="file://System.out.println/">file://System.out.println</A>("root=" + root.getName());<BR> <BR> ArrayList aList = new ArrayList(root.getChildren());<BR> System.out.println("root has children: " + aList.size());<BR> for (int i=0; i<aList.size(); i++) {<BR> Element elem = (Element) aList.get(i);<BR> System.out.println(i + elem.getName() + " = " + elem.getContent());<BR> <BR> }<BR> <BR> } catch (Exception e) {<BR> e.printStackTrace();<BR> }<BR> }<BR>}<BR></P><BR>
<P><STRONG>result:</STRONG></P><BR>
<P>Copyright (C) 1996-99 Symantec Corporation</P><BR>
<P>root=person<BR>list=[org.jdom.Element at cc6e897d, org.jdom.Element at ccd2897d, org.jdom.Element at cf4<BR>e897d, org.jdom.Element at cc6e897d, org.jdom.Element at ccd2897d, org.jdom.Element at cf<BR>4e897d]<BR>root has children: 6<BR>0firstName = Smith<BR>1lastName = Johnson<BR>2age = 14<BR>3firstName = Smith<BR>4lastName = Johnson<BR>5age = 14<BR><BR></P><p><br><hr size=1><b>Do You Yahoo!?</b><br>
<a href="http://photos.yahoo.com/">Yahoo! Photos</a> -- now, 100 FREE prints!
--0-1957747793-959975482=:20208--
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