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20070171
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0
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0
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6
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2013-11-19T11:22:12.173
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2013-11-19T15:31:49.387
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2013-11-19T15:31:49.387
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1654265
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1654265
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20069658
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2
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3
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text
Body
Rearranged to better list the several ways: <ol> <li>With two <a href="http://struts.apache.org/release/2.3.x/docs/iterator.html" rel="nofollow"><code>Iterator</code></a>s: <pre><code><s:iterator value="setOne" var="first" status="ctr1"> <s:iterator value="setTwo" var="second" status="ctr2"> <s:if test="%{#first == #second}"> Common value detected : [<s:property value="%{#first}"/>] setOne position : [<s:property value="%{#ctr1.index}"/>] setTwo position : [<s:property value="%{#ctr2.index}"/>] </s:if> </s:iterator> </s:iterator> </code></pre></li> <li>With a single Iterator and <a href="http://docs.oracle.com/javase/6/docs/api/java/util/Set.html#contains%28java.lang.Object%29" rel="nofollow">Set.contains(Object)</a>: <pre><code><s:iterator value="setOne" var="first" status="ctr1"> <s:if test="%{setTwo.contains('#first')}"> Common value detected : [<s:property value="%{#first}"/>] </s:if> </s:iterator> </code></pre></li> <li>With a single Iterator and pure OGNL: <pre><code><s:iterator value="setOne" var="first" status="ctr1"> <s:if test="%{#first in setTwo}"> Common value detected : [<s:property value="%{#first}"/>] </s:if> </s:iterator> </code></pre></li> <li>Without Iterators, using <a href="http://commons.apache.org/proper/commons-ognl/language-guide.html" rel="nofollow">OGNL List Selection</a> only (thanks to @AleksandrM for the code): <pre><code><s:property value="setOne.{? #this in setTwo}"/> </code></pre></li> </ol>
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1. POHow to iterate Set elements using Struts 2 tags
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1. USAndrea Ligios
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1. USAndrea Ligios
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2. VO
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1. CO+1 for pure OGNL.
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 USAleksandr M
2. COAnd how about w/o using iterator tag at all? :)
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3. COYou mean with list projection ? Go ahead, upvote is pending :D
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