String array : Adding elements in Loop

Question

Here is my code

LDAPAttributeSet attributeSet = new LDAPAttributeSet();

String rolesName;
String uniquemem[] = rolesName.split(",");

if (uniquemem.length == 1)
    attributeSet.add(new LDAPAttribute("uniqueMember",
                        new String[] { "cn="+uniquemem[0]}));

if (uniquemem.length == 2)
    attributeSet.add(new LDAPAttribute("uniqueMember",
                        new String[] {
                                "cn=" +uniquemem[0],   
                                "cn=" + uniquemem[1]
                                    }));
if (uniquemem.length == 3)
    attributeSet.add(new LDAPAttribute("uniqueMember",
                        new String[] {
                                "cn=" + uniquemem[0]
                                        ,
                                "cn=" + uniquemem[1]
                                         ,
                                "cn=" + uniquemem[2]
                                          }));

I have tried by using List<String> and StringBuffer in forloop to add/append content dynamically but it is accepting only String[]. Please help me solve this issue

I have tried this

StringBuffer sb=new StringBuffer()
            for(int i=0;i<uniquemem.length;i++)
            {
                sb.append("cn=" + uniquemem[i]);
            }

attributeSet.add(new LDAPAttribute("uniqueMember",sb.toString()));

@Mureinik I want to add element in String[] dynamically based on the length of uniquemem[] — aizaz
– aizaz, Commented Jan 4, 2014 at 13:00
What is the issue with your code ? BTW it miss a "," in the condition if (uniquemem.length == 2)after "cn=" +uniquemem[0] — Merlin
– Merlin, Commented Jan 4, 2014 at 13:07

watery · Accepted Answer · 2014-01-04 13:16:59Z

2

This will give you the String array you need:

ArrayList<String> memList = new ArrayList<>(uniquemem.length);
for(int i = 0; i < uniquemem.length; i++) {
    memList.add("cn=" + uniquemem[i]);
}
memList.trimToSize();
memList.toArray(String[0]);
String[] memArray = memList.toArray(new String[memList.size()]);

answered Jan 4, 2014 at 13:16

watery

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Comments

Tun Zarni Kyaw · Accepted Answer · 2014-01-04 13:17:05Z

2

You can change the existing uniqemem array like this

for(int i=0;i<uniquemem.length;i++)
{
    uniquemem[i] = "cn=" + uniquemem[i];
}
attributeSet.add(new LDAPAttribute("uniqueMember", uniquemem));

answered Jan 4, 2014 at 13:17

Tun Zarni Kyaw

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Comments

Merlin · Accepted Answer · 2014-01-04 13:22:36Z

1

What about this..

LDAPAttributeSet attributeSet = new LDAPAttributeSet();

String rolesName;
String uniquemem[] = rolesName.split(",");

String item = null;
String arrayItems[uniquemem.length]

for(int i=0; i<uniquemem.length; i++) {
    item = "cn=" + uniquemem[i];
    arrayItems[i] = item;
}


attributeSet.add(new LDAPAttribute("uniqueMember", arrayItems);

answered Jan 4, 2014 at 13:22

Merlin

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