JM-106 -- fixed bug causing plugin to not build if it has no web dir.

git-svn-id: http://svn.igniterealtime.org/svn/repos/messenger/trunk@801 b35dd754-fafc-0310-a699-88a17e54d16e

build/build.xml

@@ -717,13 +717,22 @@
                 <fileset dir="${plugin.dev.dest.dir}/@{plugin}/target/classes" />
             </jar>
 
-            <!-- JSPC any JSP pages -->
+            <!-- JSPC any JSP pages. Do this conditionally as there might not be a web dir. -->
+            <available property="plugin.@{plugin}.webdocs.available"
+                    type="dir" file="@{pluginsrc}/@{plugin}/src/web" />
+            <if>
+                <equals arg1="${plugin.@{plugin}.webdocs.available}" arg2="true" />
+                <then>
+
+                    <!-- Continue with JSPC tasks... -->
 
                     <!-- Create output dir -->
                     <mkdir dir="${plugin.dev.dest.dir}/@{plugin}/target/jspc/java" />
                     <mkdir dir="${plugin.dev.dest.dir}/@{plugin}/target/jspc/classes" />
 
-            <!-- Copy jsp's from plugin and web.xml from messenger to a temp dir -->
+                    <!-- Copy jsp's from plugin and web.xml from messenger to a temp dir. We'll
+                         not fail on an error since the web dir might not exist.
+                    -->
                     <copy todir="${plugin.dev.dest.dir}/@{plugin}/target/web">
                         <fileset dir="@{pluginsrc}/@{plugin}/src/web" />
                         <fileset dir="${web.dir}">
@@ -780,6 +789,9 @@
                         <fileset dir="${plugin.dev.dest.dir}/@{plugin}/target/jspc/classes" includes="**/*.class" />
                     </jar>
 
+                </then>
+            </if>
+
             <!-- Copy everything to Messenger's plugin dir -->
             <copy todir="${plugin.dest.dir}/@{plugin}">
                 <fileset dir="${plugin.dev.dest.dir}/@{plugin}/target">
@@ -796,7 +808,7 @@
                     <exclude name="java/**/*.java" />
                 </fileset>
             </copy>
-            <copy todir="${plugin.dest.dir}/@{plugin}/web">
+            <copy todir="${plugin.dest.dir}/@{plugin}/web" failonerror="false">
                 <fileset dir="${plugin.dev.dest.dir}/@{plugin}/target/jspc">
                     <include name="web.xml" />
                 </fileset>