Re: [Simple-support] Writing to XML fails
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Re: [Simple-support] Writing to XML fails
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From: Niall G. <gal...@ya...> - 2014-06-07 01:58:55
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You cannot construct a non static inner class through reflection. For the constructors also you must specify the names
Pair(@Element(name="first") A first, @Element(name="second") B second)
--------------------------------------------
On Fri, 6/6/14, Miha Vitorovic <mih...@gm...> wrote:
Subject: [Simple-support] Writing to XML fails
To: sim...@li...
Received: Friday, 6 June, 2014, 3:38 PM
Hi Niall,
first off, thanks for the great library. But
I'm having
trouble fitting the following
together:
package
com.mycompany.simpletest;
import
org.simpleframework.xml.Element;
import
org.simpleframework.xml.Root;
@Root(name = "pair")
public class Pair<A, B> {
@Element
private final A first;
@Element
private final B second;
public Pair(A first, B second)
{
this.first =
first;
this.second =
second;
}
public A getFirst() { return
first; }
public B getSecond() { return
second; }
}
------------------
package com.mycompany.simpletest;
import java.util.ArrayList;
import java.util.List;
import org.simpleframework.xml.Element;
import org.simpleframework.xml.ElementList;
import org.simpleframework.xml.Root;
@Root(name = "test")
public class Test {
@Root(name = "element1")
public class Info {
@Element
private String name;
public Info(String name) {
this.name = name;
}
}
@ElementList(name = "list")
private List<Pair<Info,
Info>> list;
public Test() {
list = new ArrayList<>();
}
public void add(String s1, String s2) {
Info i1 = new Info(s1);
Info i2 = new Info(s2);
Pair<Info, Info> p = new
Pair<>(i1, i2);
list.add(p);
}
}
------------------
package com.mycompany.simpletest;
import java.io.FileOutputStream;
import org.simpleframework.xml.Serializer;
import
org.simpleframework.xml.convert.AnnotationStrategy;
import org.simpleframework.xml.core.Persister;
import
org.simpleframework.xml.strategy.Strategy;
public class SimpleTest {
public static void main(String[] args) {
Test t1 = new Test();
t1.add("a",
"b");
t1.add("b",
"c");
try {
FileOutputStream out =
new
FileOutputStream("test.xml");
Strategy strategy = new
AnnotationStrategy();
Serializer serializer =
new Persister(strategy);
serializer.write(t1,
out);
out.close();
} catch (Exception e) {
e.printStackTrace();
}
}
}
And this is the result:
org.simpleframework.xml.core.ConstructorException: Can not
construct inner class
com.mycompany.simpletest.Test$Info
at
org.simpleframework.xml.core.ConstructorScanner.scan(ConstructorScanner.java:122)
at
org.simpleframework.xml.core.ConstructorScanner.<init>(ConstructorScanner.java:73)
at
org.simpleframework.xml.core.ClassScanner.<init>(ClassScanner.java:109)
at
org.simpleframework.xml.core.ObjectScanner.<init>(ObjectScanner.java:78)
at
org.simpleframework.xml.core.ScannerFactory.getInstance(ScannerFactory.java:81)
at
org.simpleframework.xml.core.Support.getScanner(Support.java:357)
at
org.simpleframework.xml.core.Source.getScanner(Source.java:271)
at
org.simpleframework.xml.core.Source.getCaller(Source.java:300)
at
org.simpleframework.xml.core.Composite.writeReplace(Composite.java:1147)
at
org.simpleframework.xml.core.Composite.writeUnion(Composite.java:1124)
at
org.simpleframework.xml.core.Composite.writeElements(Composite.java:1098)
at
org.simpleframework.xml.core.Composite.writeSection(Composite.java:1004)
at
org.simpleframework.xml.core.Composite.write(Composite.java:975)
at
org.simpleframework.xml.core.Composite.write(Composite.java:952)
at
org.simpleframework.xml.core.Traverser.write(Traverser.java:236)
at
org.simpleframework.xml.core.CompositeList.write(CompositeList.java:248)
at
org.simpleframework.xml.core.Composite.writeElement(Composite.java:1256)
at
org.simpleframework.xml.core.Composite.writeElement(Composite.java:1239)
at
org.simpleframework.xml.core.Composite.writeUnion(Composite.java:1127)
at
org.simpleframework.xml.core.Composite.writeElements(Composite.java:1098)
at
org.simpleframework.xml.core.Composite.writeSection(Composite.java:1004)
at
org.simpleframework.xml.core.Composite.write(Composite.java:975)
at
org.simpleframework.xml.core.Composite.write(Composite.java:952)
at
org.simpleframework.xml.core.Traverser.write(Traverser.java:236)
at
org.simpleframework.xml.core.Traverser.write(Traverser.java:208)
at
org.simpleframework.xml.core.Traverser.write(Traverser.java:186)
at
org.simpleframework.xml.core.Persister.write(Persister.java:1180)
at
org.simpleframework.xml.core.Persister.write(Persister.java:1162)
at
org.simpleframework.xml.core.Persister.write(Persister.java:1140)
at
org.simpleframework.xml.core.Persister.write(Persister.java:1259)
at
org.simpleframework.xml.core.Persister.write(Persister.java:1241)
at
org.simpleframework.xml.core.Persister.write(Persister.java:1222)
at
com.mycompany.simpletest.SimpleTest.main(SimpleTest.java:31)
Can you please help?
Thanks and br, Miha
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