« Return to Thread: [jira] Created: (BEANUTILS-314) BeanUtils.describe() doesn't handle corectly array fields like String[]

[jira] Updated: (BEANUTILS-314) BeanUtils.describe() doesn't handle corectly array fields like String[]

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     [ https://issues.apache.org/jira/browse/BEANUTILS-314?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tomáš Procházka updated BEANUTILS-314:
--------------------------------------

    Description:
When bean has array field like String[] , BeanUtils.describe()  doesn't add String[] to Map, but get only first array item and convert it to String. But BeanUtils.populate(b, tMap) correctly set String[] from map to bean property.

Here is example:

{code:title=BeanTest.java|borderStyle=solid}
public class BeanTest {

        public static void main(String[] args) throws Exception {
                BeanTest bt = new BeanTest();
                bt.test();
        }

        private void test() throws Exception {
                Bean b = new Bean();
                b.setData(new String[]{"a", "b", "c"});
                b.setName("ahoj");
                Map map = BeanUtils.describe(b);
                System.out.println(map.get("data"));
                System.out.println(map.get("name"));
        }

        public class Bean {

                public String[] getData() {
                        return data;
                }

                public void setData(String[] data) {
                        this.data = data;
                }

                public String getName() {
                        return name;
                }

                public void setName(String name) {
                        this.name = name;
                }
                private String[] data;
                private String name;
        }
}
{code}

Expected result:

System.out.println(map.get("data"));
must return String[] with {"a", "b", "c"}.

This bug is in 1.70 and also in 1.8.0

  was:
When bean has array field like String[] , BeanUtils.describe()  doesn't add String[] to Map, but get only first array item and convert it to String. But BeanUtils.populate(b, tMap) correctly set String[] from map to bean property.

Here is example:

public class BeanTest {

        public static void main(String[] args) throws Exception {
                BeanTest bt = new BeanTest();
                bt.test();
        }

        private void test() throws Exception {
                Bean b = new Bean();
                b.setData(new String[]{"a", "b", "c"});
                b.setName("ahoj");
                Map map = BeanUtils.describe(b);
                System.out.println(map.get("data"));
                System.out.println(map.get("name"));
        }

        public class Bean {

                public String[] getData() {
                        return data;
                }

                public void setData(String[] data) {
                        this.data = data;
                }

                public String getName() {
                        return name;
                }

                public void setName(String name) {
                        this.name = name;
                }
                private String[] data;
                private String name;
        }
}

Expected result:

System.out.println(map.get("data"));
must return String[] with {"a", "b", "c"}.

This bug is in 1.70 and also in 1.8.0


> BeanUtils.describe() doesn't handle corectly array fields like String[]
> -----------------------------------------------------------------------
>
>                 Key: BEANUTILS-314
>                 URL: https://issues.apache.org/jira/browse/BEANUTILS-314
>             Project: Commons BeanUtils
>          Issue Type: Bug
>          Components: Bean / Property Utils
>    Affects Versions: 1.7.0, 1.8.0-BETA
>         Environment: Windows XP, Java 1.6.0_10-beta-b13
>            Reporter: Tomáš Procházka
>
> When bean has array field like String[] , BeanUtils.describe()  doesn't add String[] to Map, but get only first array item and convert it to String. But BeanUtils.populate(b, tMap) correctly set String[] from map to bean property.
> Here is example:
> {code:title=BeanTest.java|borderStyle=solid}
> public class BeanTest {
> public static void main(String[] args) throws Exception {
> BeanTest bt = new BeanTest();
> bt.test();
> }
> private void test() throws Exception {
> Bean b = new Bean();
> b.setData(new String[]{"a", "b", "c"});
> b.setName("ahoj");
> Map map = BeanUtils.describe(b);
> System.out.println(map.get("data"));
> System.out.println(map.get("name"));
> }
> public class Bean {
> public String[] getData() {
> return data;
> }
> public void setData(String[] data) {
> this.data = data;
> }
> public String getName() {
> return name;
> }
> public void setName(String name) {
> this.name = name;
> }
> private String[] data;
> private String name;
> }
> }
> {code}
> Expected result:
> System.out.println(map.get("data"));
> must return String[] with {"a", "b", "c"}.
> This bug is in 1.70 and also in 1.8.0

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