From 71c646801ae1b6125dbe8c80e260dd4d788c11f4 Mon Sep 17 00:00:00 2001
From: Chris Bowditch <cbowditch@apache.org>
Date: Mon, 6 Jan 2020 14:44:14 +0000
Subject: FOP-2892; fix + test

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@1872384 13f79535-47bb-0310-9956-ffa450edef68
---
 .../fop/configuration/DefaultConfiguration.java    | 12 +++---
 .../configuration/DefaultConfigurationTest.java    | 47 ++++++++++++++++++++++
 .../org/apache/fop/configuration/sample_config.xml | 20 +++++++++
 3 files changed, 74 insertions(+), 5 deletions(-)
 create mode 100644 fop-core/src/test/java/org/apache/fop/configuration/DefaultConfigurationTest.java
 create mode 100644 fop-core/src/test/resources/org/apache/fop/configuration/sample_config.xml

diff --git a/fop-core/src/main/java/org/apache/fop/configuration/DefaultConfiguration.java b/fop-core/src/main/java/org/apache/fop/configuration/DefaultConfiguration.java
index 22f28a170..b50fd8b17 100644
--- a/fop-core/src/main/java/org/apache/fop/configuration/DefaultConfiguration.java
+++ b/fop-core/src/main/java/org/apache/fop/configuration/DefaultConfiguration.java
@@ -108,7 +108,7 @@ public class DefaultConfiguration implements Configuration {
 
     @Override
     public Configuration getChild(String key) {
-        NodeList nl = element.getElementsByTagName(key);
+        NodeList nl = element.getChildNodes();
         for (int i = 0; i < nl.getLength(); ++i) {
             Node n = nl.item(i);
             if (n.getNodeName().equals(key)) {
@@ -133,13 +133,15 @@ public class DefaultConfiguration implements Configuration {
 
     @Override
     public Configuration[] getChildren(String key) {
-        NodeList nl = element.getElementsByTagName(key);
-        Configuration[] result = new Configuration[nl.getLength()];
+        ArrayList<Configuration> result = new ArrayList<>(1);
+        NodeList nl = element.getChildNodes();
         for (int i = 0; i < nl.getLength(); ++i) {
             Node n = nl.item(i);
-            result[i] = new DefaultConfiguration((Element) n);
+            if (n.getNodeName().equals(key)) {
+                result.add(new DefaultConfiguration((Element) n));
+            }
         }
-        return result;
+        return result.toArray(new Configuration[0]);
     }
 
     @Override
diff --git a/fop-core/src/test/java/org/apache/fop/configuration/DefaultConfigurationTest.java b/fop-core/src/test/java/org/apache/fop/configuration/DefaultConfigurationTest.java
new file mode 100644
index 000000000..f25df7e39
--- /dev/null
+++ b/fop-core/src/test/java/org/apache/fop/configuration/DefaultConfigurationTest.java
@@ -0,0 +1,47 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.fop.configuration;
+
+import org.junit.Before;
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+
+public class DefaultConfigurationTest {
+
+    DefaultConfiguration configuration;
+
+    @Before
+    public void setup() throws Exception {
+        DefaultConfigurationBuilder builder = new DefaultConfigurationBuilder();
+        configuration = builder.build(getClass().getResourceAsStream("sample_config.xml"));
+    }
+
+    @Test
+    public void testGetChild() {
+        Configuration fontsConfig = configuration.getChild("fonts");
+        assertEquals("fonts element should be direct child", "fop/fonts",  fontsConfig.getLocation());
+    }
+
+    @Test
+    public void testGetChildren() {
+        Configuration[] fontsConfig = configuration.getChildren("fonts");
+        assertEquals("only direct children should match", 1, fontsConfig.length);
+        assertEquals("fonts element should be direct child", "fop/fonts", fontsConfig[0].getLocation());
+    }
+}
diff --git a/fop-core/src/test/resources/org/apache/fop/configuration/sample_config.xml b/fop-core/src/test/resources/org/apache/fop/configuration/sample_config.xml
new file mode 100644
index 000000000..d3bc3e3ef
--- /dev/null
+++ b/fop-core/src/test/resources/org/apache/fop/configuration/sample_config.xml
@@ -0,0 +1,20 @@
+<fop version="1.0">
+
+  <renderers>
+    <renderer mime="application/pdf">
+      <fonts> 
+        <auto-detect/>
+      </fonts>
+    </renderer>
+  </renderers>
+
+  <!-- A substitution can map a font family to another. -->
+  <fonts>
+    <substitutions>  
+        <substitution>
+            <from font-family='courierNew' font-style='normal' font-weight='400'/>   <to font-family='Courier New'/> 
+         </substitution> 
+     </substitutions>
+  </fonts>
+
+</fop>
\ No newline at end of file
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