Merge branch 'master' into #394

diff --cc pf4j/src/test/java/org/pf4j/test/PluginZip.java
index 0000000000000000000000000000000000000000,5dd2291389f3ba9b28c826a016355ea9adf0c48b..4b9a0c9916a6b22c97d5a06e750562e3774e58ad
mode 000000,100644..100644
--- /dev/null
--- 2/pf4j/src/test/java/org/pf4j/test/PluginZip.java
+++ b/pf4j/src/test/java/org/pf4j/test/PluginZip.java
@@@ -1,0 -1,189 +1,203 @@@
+ /*
+  * Copyright (C) 2012-present the original author or authors.
+  *
+  * Licensed 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.pf4j.test;
+ 
+ import org.pf4j.PropertiesPluginDescriptorFinder;
+ 
+ import java.io.File;
+ import java.io.FileOutputStream;
+ import java.io.IOException;
+ import java.nio.file.Path;
+ import java.util.LinkedHashMap;
+ import java.util.Map;
+ import java.util.Properties;
+ import java.util.zip.ZipEntry;
+ import java.util.zip.ZipOutputStream;
+ 
+ /**
+  * Represents a plugin {@code zip} file.
+  * The {@code plugin.properties} file is created on the fly from the information supplied in {@link Builder}.
+  *
+  * @author Decebal Suiu
+  */
+ public class PluginZip {
+ 
+     private final Path path;
+     private final String pluginId;
+     private final String pluginClass;
+     private final String pluginVersion;
++    private final String pluginDependencies;
+ 
+     protected PluginZip(Builder builder) {
+         this.path = builder.path;
+         this.pluginId = builder.pluginId;
+         this.pluginClass = builder.pluginClass;
+         this.pluginVersion = builder.pluginVersion;
++        this.pluginDependencies = builder.pluginDependencies;
+     }
+ 
+     public Path path() {
+         return path;
+     }
+ 
+     public File file() {
+         return path.toFile();
+     }
+ 
+     public String pluginId() {
+         return pluginId;
+     }
+ 
+     public String pluginClass() {
+         return pluginClass;
+     }
+ 
+     public String pluginVersion() {
+         return pluginVersion;
+     }
+ 
++    public String pluginDependencies() { return pluginDependencies; }
++
+     public Path unzippedPath() {
+         Path path = path();
+         String fileName = path.getFileName().toString();
+ 
+         return path.getParent().resolve(fileName.substring(0, fileName.length() - 4)); // without ".zip" suffix
+     }
+ 
+     public static Properties createProperties(Map<String, String> map) {
+         Properties properties = new Properties();
+         properties.putAll(map);
+ 
+         return properties;
+     }
+ 
+     public static class Builder {
+ 
+         private final Path path;
+         private final String pluginId;
+ 
+         private String pluginClass;
+         private String pluginVersion;
++        private String pluginDependencies;
+         private Map<String, String> properties = new LinkedHashMap<>();
+         private Map<Path, byte[]> files = new LinkedHashMap<>();
+ 
+         public Builder(Path path, String pluginId) {
+             this.path = path;
+             this.pluginId = pluginId;
+         }
+ 
+         public Builder pluginClass(String pluginClass) {
+             this.pluginClass = pluginClass;
+ 
+             return this;
+         }
+ 
+         public Builder pluginVersion(String pluginVersion) {
+             this.pluginVersion = pluginVersion;
+ 
+             return this;
+         }
+ 
++        public Builder pluginDependencies(String pluginDependencies) {
++            this.pluginDependencies = pluginDependencies;
++
++            return this;
++        }
++
+         /**
+          * Add extra properties to the {@code properties} file.
+          * As possible attribute name please see {@link PropertiesPluginDescriptorFinder}.
+          */
+         public Builder properties(Map<String, String> properties) {
+             this.properties.putAll(properties);
+ 
+             return this;
+         }
+ 
+         /**
+          * Add extra property to the {@code properties} file.
+          * As possible property name please see {@link PropertiesPluginDescriptorFinder}.
+          */
+         public Builder property(String name, String value) {
+             properties.put(name, value);
+ 
+             return this;
+         }
+ 
+         /**
+          * Adds a file to the archive.
+          *
+          * @param path the relative path of the file
+          * @param content the content of the file
+          */
+         public Builder addFile(Path path, byte[] content) {
+             files.put(path, content.clone());
+ 
+             return this;
+         }
+ 
+         /**
+          * Adds a file to the archive.
+          *
+          * @param path the relative path of the file
+          * @param content the content of the file
+          */
+         public Builder addFile(Path path, String content) {
+             files.put(path, content.getBytes());
+ 
+             return this;
+         }
+ 
+         public PluginZip build() throws IOException {
+             createPropertiesFile();
+ 
+             return new PluginZip(this);
+         }
+ 
+         protected void createPropertiesFile() throws IOException {
+             Map<String, String> map = new LinkedHashMap<>();
+             map.put(PropertiesPluginDescriptorFinder.PLUGIN_ID, pluginId);
+             map.put(PropertiesPluginDescriptorFinder.PLUGIN_VERSION, pluginVersion);
++            if (pluginDependencies != null) {
++                map.put(PropertiesPluginDescriptorFinder.PLUGIN_DEPENDENCIES, pluginDependencies);
++            }
+             if (pluginClass != null) {
+                 map.put(PropertiesPluginDescriptorFinder.PLUGIN_CLASS, pluginClass);
+             }
+             if (properties != null) {
+                 map.putAll(properties);
+             }
+ 
+             try (ZipOutputStream outputStream = new ZipOutputStream(new FileOutputStream(path.toFile()))) {
+                 ZipEntry propertiesFile = new ZipEntry(PropertiesPluginDescriptorFinder.DEFAULT_PROPERTIES_FILE_NAME);
+                 outputStream.putNextEntry(propertiesFile);
+                 createProperties(map).store(outputStream, "");
+                 outputStream.closeEntry();
+ 
+                 for (Map.Entry<Path, byte[]> fileEntry : files.entrySet()) {
+                     ZipEntry file = new ZipEntry(fileEntry.getKey().toString());
+                     outputStream.putNextEntry(file);
+                     outputStream.write(fileEntry.getValue());
+                     outputStream.closeEntry();
+                 }
+             }
+         }
+ 
+     }
+ 
+ }