From c555368905f74c31e5f27a64b1d18f48d76e8db5 Mon Sep 17 00:00:00 2001
From: aheritier <aheritier@13f79535-47bb-0310-9956-ffa450edef68>
Date: Sun, 2 Oct 2005 22:11:10 +0000
Subject: [PATCH] Do not pass empty parameters coming from POM.

git-svn-id: https://svn.apache.org/repos/asf/maven/maven-1/plugins/trunk@293178 13f79535-47bb-0310-9956-ffa450edef68
---
 pdf/plugin.jelly | 48 ++++++++++++++++++++++++++++++------------------
 1 file changed, 30 insertions(+), 18 deletions(-)

diff --git a/pdf/plugin.jelly b/pdf/plugin.jelly
index 64aa484a..6a028c8a 100644
--- a/pdf/plugin.jelly
+++ b/pdf/plugin.jelly
@@ -153,27 +153,39 @@ plugin.currentVersion           = [${plugin.currentVersion}]
       <arg value="-PARAM"/>
       <arg value="paperType"/>
       <arg value="${maven.pdf.paperType}"/>
-      <arg value="-PARAM"/>
-      <arg value="companyIncName"/>
-      <arg value="${maven.pdf.companyIncName}"/>
-      <arg value="-PARAM"/>
-      <arg value="publicationYear"/>
-      <arg value="${maven.pdf.copyrightYear}"/>
-      <arg value="-PARAM"/>
-      <arg value="coverProjectCompany"/>
-      <arg value="${maven.pdf.cover.projectCompany}"/>
-      <arg value="-PARAM"/>
-      <arg value="coverProjectName"/>
-      <arg value="${maven.pdf.cover.projectName}"/>
+      <j:if test="${not empty(maven.pdf.companyIncName)}">
+        <arg value="-PARAM"/>
+        <arg value="companyIncName"/>
+        <arg value="${maven.pdf.companyIncName}"/>
+      </j:if>
+      <j:if test="${not empty(maven.pdf.copyrightYear)}">
+        <arg value="-PARAM"/>
+        <arg value="publicationYear"/>
+        <arg value="${maven.pdf.copyrightYear}"/>
+      </j:if>
+      <j:if test="${not empty(maven.pdf.cover.projectCompany)}">
+        <arg value="-PARAM"/>
+        <arg value="coverProjectCompany"/>
+        <arg value="${maven.pdf.cover.projectCompany}"/>
+      </j:if>
+      <j:if test="${not empty(maven.pdf.cover.projectName)}">
+        <arg value="-PARAM"/>
+        <arg value="coverProjectName"/>
+        <arg value="${maven.pdf.cover.projectName}"/>
+      </j:if>
       <arg value="-PARAM"/>
       <arg value="coverType"/>
       <arg value="${maven.pdf.cover.type}"/>
-      <arg value="-PARAM"/>
-      <arg value="coverVersion"/>
-      <arg value="${maven.pdf.cover.version}"/>
-      <arg value="-PARAM"/>
-      <arg value="coverDate"/>
-      <arg value="${maven.pdf.cover.date}"/>
+      <j:if test="${not empty(maven.pdf.cover.version)}">
+        <arg value="-PARAM"/>
+        <arg value="coverVersion"/>
+        <arg value="${maven.pdf.cover.version}"/>
+      </j:if>
+      <j:if test="${not empty(maven.pdf.cover.date)}">
+        <arg value="-PARAM"/>
+        <arg value="coverDate"/>
+        <arg value="${maven.pdf.cover.date}"/>
+      </j:if>
       <j:if test="${not empty(maven.pdf.companyLogo)}">
         <arg value="-PARAM"/>
         <arg value="companyLogo"/>