fixes #5 (module existence) fixes #8 (workaround)

README.md

@@ -10,6 +10,7 @@ Allows Wrapping Systems to make them available for Graph processing with [Apache
 |---------------------------------------------------------------------- | ---------------- | ----------- |
 |![Excel](https://upload.wikimedia.org/wikipedia/commons/thumb/8/86/Microsoft_Excel_2013_logo.svg/100px-Microsoft_Excel_2013_logo.svg.png)[Excel](http://www.bitplan.com/index.php/SimpleGraph-Excel) |[Excel](https://en.wikipedia.org/wiki/Microsoft_Excel) |[Apache POI XSSF/HSSF](https://poi.apache.org/spreadsheet/quick-guide.html)
 |![FileSystem](https://upload.wikimedia.org/wikipedia/commons/thumb/f/f3/Folder.svg/100px-Folder.svg.png)[FileSystem](http://www.bitplan.com/index.php/SimpleGraph-FileSystem) |[FileSystem](https://en.wikipedia.org/wiki/File_system) |[java.io.File](https://docs.oracle.com/javase/8/docs/api/java/io/File.html)
+|![GitHub](http://wiki.bitplan.com/images/wiki/6/61/Octocat.png)[GitHub](http://www.bitplan.com/index.php/SimpleGraph-GitHub) |[GitHub](https://github.com) |[GitHub GraphQL API v4](https://developer.github.com/v4/) 
 |![HTML](https://upload.wikimedia.org/wikipedia/commons/thumb/6/61/HTML5_logo_and_wordmark.svg/100px-HTML5_logo_and_wordmark.svg.png)[HTML](http://www.bitplan.com/index.php/SimpleGraph-HTML) |[HTML](https://en.wikipedia.org/wiki/HTML) |[HTML Cleaner](http://htmlcleaner.sourceforge.net/)
 |![Java](http://wiki.bitplan.com/images/wiki/e/e1/Java-Logo.svg)[Java](http://www.bitplan.com/index.php/SimpleGraph-Java) |[Java](https://en.wikipedia.org/wiki/Java_(programming_language)) |[javaparser](https://github.com/javaparser/javaparser) 
 |![JSON](https://upload.wikimedia.org/wikipedia/commons/thumb/c/c9/JSON_vector_logo.svg/100px-JSON_vector_logo.svg.png)[JSON](http://www.bitplan.com/index.php/SimpleGraph-JSON) |[JSON](https://en.wikipedia.org/wiki/JavaScript_Object_Notation) |[JSON](https://www.json.org/)
@@ -41,3 +42,4 @@ Allows Wrapping Systems to make them available for Graph processing with [Apache
 * 2018-01-15 adds WikiData access
 * 2018-02-19 adds Excel,HTML,JSON,MapSystem,MediaWiki,PDF,SMW,SQL and Word
 * 2018-03-04 adds SNMP, Java and XML
+* 2018-03-09 adds GitHub

createModule

@@ -96,7 +96,7 @@ EOF
 #
 # loop over all modules
 #
-for module in bundle core excel filesystem html java json mail map mediawiki pdf powerpoint snmp sql smw triplestore wikidata word xml    
+for module in bundle core excel filesystem github html java json mail map mediawiki pdf powerpoint snmp sql smw triplestore wikidata word xml    
 do 
   moduleName=simplegraph-$module
   package=com.bitplan.$module

pom.xml

@@ -35,12 +35,15 @@
 		<gson.version>2.8.2</gson.version>
 		<!-- https://mvnrepository.com/artifact/com.github.javaparser/javaparser-symbol-solver-core -->
 		<javaparser.version>3.5.15</javaparser.version>
+		<!-- https://mvnrepository.com/artifact/com.graphql-java/graphql-java -->
+		<graphql.version>7.0</graphql.version>
 	</properties>
 	<packaging>pom</packaging>
 	<url>https://github.com/BITPlan/com.bitplan.simplegraph</url>
 	<modules>
 		<module>simplegraph-core</module>
 		<module>simplegraph-filesystem</module>
+		<module>simplegraph-github</module>
 		<module>simplegraph-html</module>
 		<module>simplegraph-java</module>
 		<module>simplegraph-json</module>

simplegraph-bundle/pom.xml

@@ -49,6 +49,18 @@
 			<type>test-jar</type>
 			<scope>test</scope>
 		</dependency>
+		<dependency>
+			<groupId>${project.groupId}</groupId>
+			<artifactId>com.bitplan.simplegraph.github</artifactId>
+			<version>${project.version}</version>
+		</dependency>
+		<dependency>
+			<groupId>${project.groupId}</groupId>
+			<artifactId>com.bitplan.simplegraph.github</artifactId>
+			<version>${project.version}</version>
+			<type>test-jar</type>
+			<scope>test</scope>
+		</dependency>
 		<dependency>
 			<groupId>${project.groupId}</groupId>
 			<artifactId>com.bitplan.simplegraph.html</artifactId>

simplegraph-bundle/src/test/java/com/bitplan/simplegraph/bundle/TestSuite.java

@@ -26,6 +26,7 @@
 import com.bitplan.simplegraph.core.TestTinkerPop3;
 import com.bitplan.simplegraph.excel.TestExcelSystem;
 import com.bitplan.simplegraph.filesystem.TestFileSystem;
+import com.bitplan.simplegraph.github.TestGitHubSystem;
 import com.bitplan.simplegraph.java.TestJavaSystem;
 import com.bitplan.simplegraph.json.TestJsonSystem;
 import com.bitplan.simplegraph.map.TestMapSystem;
@@ -41,7 +42,7 @@
 import com.bitplan.simplegraph.xml.TestXmlSystem;
 
 @RunWith(Suite.class)
-@Suite.SuiteClasses({ TestExcelSystem.class, TestFileSystem.class,
+@Suite.SuiteClasses({ TestExcelSystem.class, TestFileSystem.class,TestGitHubSystem.class,
     TestJavaSystem.class, TestJsonSystem.class, TestTinkerPop3.class,
     TestTripleStoreSystem.class, TestPowerPointSystem.class,
     TestMediaWikiSystem.class, TestMapSystem.class, TestPdfSystem.class,

simplegraph-github/.classpath

@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="src" output="target/classes" path="src/main/java">
+		<attributes>
+			<attribute name="optional" value="true"/>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="src" output="target/test-classes" path="src/test/java">
+		<attributes>
+			<attribute name="optional" value="true"/>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8">
+		<attributes>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="con" path="org.eclipse.m2e.MAVEN2_CLASSPATH_CONTAINER">
+		<attributes>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="output" path="target/classes"/>
+</classpath>

simplegraph-github/.project

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>simplegraph-github</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.m2e.core.maven2Builder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+		<nature>org.eclipse.m2e.core.maven2Nature</nature>
+	</natures>
+</projectDescription>

simplegraph-github/pom.xml

@@ -0,0 +1,28 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+
+	<name>SimpleGraph GitHub</name>
+	<description>com.bitplan.simplegraph.github submodule of com.bitplan.simplegraph</description>
+
+	<parent>
+		<groupId>com.bitplan.simplegraph</groupId>
+		<artifactId>com.bitplan.simplegraph</artifactId>
+		<version>0.0.2</version>
+	</parent>
+	<artifactId>com.bitplan.simplegraph.github</artifactId>
+	<packaging>jar</packaging>
+	<dependencies>
+		<dependency>
+			<groupId>${project.groupId}</groupId>
+			<artifactId>com.bitplan.simplegraph-core</artifactId>
+			<version>${project.version}</version>
+		</dependency>
+		<!-- https://mvnrepository.com/artifact/com.graphql-java/graphql-java -->
+		<dependency>
+			<groupId>com.graphql-java</groupId>
+			<artifactId>graphql-java</artifactId>
+			<version>${graphql.version}</version>
+		</dependency>
+	</dependencies>
+</project>

simplegraph-github/src/main/java/com/bitplan/simplegraph/github/GitHubSystem.java

@@ -0,0 +1,56 @@
+/**
+ * Copyright (c) 2018 BITPlan GmbH
+ *
+ * http://www.bitplan.com
+ *
+ * This file is part of the Opensource project at:
+ * https://github.com/BITPlan/com.bitplan.simplegraph
+ *
+ * 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 com.bitplan.simplegraph.github;
+
+
+import com.bitplan.simplegraph.core.SimpleNode;
+import com.bitplan.simplegraph.core.SimpleSystem;
+import com.bitplan.simplegraph.impl.SimpleSystemImpl;
+
+/**
+ * wraps the GitHub access via the GitHub Java API 
+ * http://github-api.kohsuke.org/
+ * @author wf
+ *
+ */
+public class GitHubSystem extends SimpleSystemImpl {
+
+
+  @Override
+  public SimpleSystem connect(String... connectionParams) throws Exception {
+
+    return this;
+  }
+
+  @Override
+  public SimpleNode moveTo(String nodeQuery, String... keys) {
+    // TODO Auto-generated method stub
+    return null;
+  }
+
+  @Override
+  public Class<? extends SimpleNode> getNodeClass() {
+    // TODO Auto-generated method stub
+    return null;
+  }
+
+
+}

simplegraph-github/src/test/java/com/bitplan/simplegraph/github/TestGitHubSystem.java

@@ -0,0 +1,57 @@
+/**
+ * Copyright (c) 2018 BITPlan GmbH
+ *
+ * http://www.bitplan.com
+ *
+ * This file is part of the Opensource project at:
+ * https://github.com/BITPlan/com.bitplan.simplegraph
+ *
+ * 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 com.bitplan.simplegraph.github;
+
+import java.util.logging.Logger;
+
+import org.junit.Test;
+
+import com.bitplan.simplegraph.core.SimpleNode;
+
+/**
+ * test the GitHub System
+ * 
+ * @author wf
+ *
+ */
+public class TestGitHubSystem {
+  public static boolean debug = false;
+  protected static Logger LOGGER = Logger
+      .getLogger("com.bitplan.simplegraph.github");
+
+  @Test
+  public void testGitHubSystem() throws Exception {
+    GitHubSystem ghs = new GitHubSystem();
+    ghs.connect();
+    ghs.moveTo("");
+    ghs.forAll(SimpleNode.printDebug);
+  }
+
+  @Test
+  public void testGitHubGraphQLApi() {
+    // https://developer.github.com/v4/explorer/
+    // https://developer.github.com/v4/guides/forming-calls/#the-graphql-endpoint
+    // https://api.github.com/graphql
+    // https://stackoverflow.com/questions/tagged/graphql-java
+  }
+
+
+}

simplegraph-powerpoint/src/main/java/com/bitplan/simplegraph/powerpoint/SlideShowNode.java

@@ -24,6 +24,9 @@
 import java.io.FileInputStream;
 import java.io.FileOutputStream;
 import java.io.IOException;
+import java.io.InputStream;
+import java.net.MalformedURLException;
+import java.net.URL;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
@@ -47,9 +50,12 @@
 public class SlideShowNode extends SimpleNodeImpl implements SlideShow {
 
   protected XMLSlideShow slideshow;
-  protected String path;
+  protected String pathOrUl;
   protected File pptFile;
 
+  /**
+   * get the SlideShow
+   */
   public XMLSlideShow getSlideshow() {
     return slideshow;
   }
@@ -61,13 +67,22 @@ public XMLSlideShow getSlideshow() {
    * @param nodeQuery
    * @throws Exception
    */
-  public SlideShowNode(SimpleGraph simpleGraph, String path, String... keys) {
+  public SlideShowNode(SimpleGraph simpleGraph, String pathOrUrl,
+      String... keys) {
     super(simpleGraph, "slideshow", keys);
-    this.path = path;
-    pptFile = new File(path);
+    InputStream is = null;
     try {
-      if (pptFile.exists())
-        slideshow = new XMLSlideShow(new FileInputStream(path));
+      try {
+        URL url = new URL(pathOrUrl);
+        is = url.openStream();
+      } catch (MalformedURLException e1) {
+        this.pathOrUl = pathOrUrl;
+        pptFile = new File(pathOrUl);
+        if (pptFile.canRead())
+          is = new FileInputStream(pathOrUl);
+      }
+      if (is != null)
+        slideshow = new XMLSlideShow(is);
       else
         slideshow = new XMLSlideShow();
     } catch (IOException e) {
@@ -89,7 +104,7 @@ public CoreProperties getCoreProperties() {
 
   @Override
   public Map<String, Object> initMap() {
-    map.put("path", path);
+    map.put("path", pathOrUl);
     CoreProperties cp = getCoreProperties();
     map.put("title", cp.getTitle());
     return map;
@@ -141,7 +156,7 @@ public void setTitle(String title) {
 
   @Override
   public void save() throws Exception {
-    FileOutputStream out = new FileOutputStream(path);
+    FileOutputStream out = new FileOutputStream(pathOrUl);
     slideshow.write(out);
     out.close();
     slideshow.close();

simplegraph-powerpoint/src/test/java/com/bitplan/simplegraph/powerpoint/TestPowerPointSystem.java

@@ -243,7 +243,7 @@ public void testPowerPointCreateWikiData() throws Exception {
         "father", "mother", "date of birth", "place of birth", "date of death",
         "place of death", "wiki_en", "label_en", "source" };
     // add slides for children and grand children of queen victoria
-    this.addSlides(sls, mws, queenVictoria, slideprops, 1, debug);
+    this.addSlides(sls, mws, queenVictoria, slideprops, 2, debug);
     sls.save();
     TestWikiDataSystem.wikiDataSystem.close();
   }
@@ -308,5 +308,18 @@ public void testPowerPointDoafterCreateAsGraph() throws Exception {
     assertEquals(10, slides.size());
     pps.graph().io(IoCore.graphml()).writeGraph("../simplegraph-powerpoint/QueenVictoriaPowerPoint.xml");
   }
+
+  @Test
+  public void testReadPowerpoint() throws Exception {
+    PowerPointSystem pps=new PowerPointSystem();
+    pps.connect();
+    SimpleNode slideShowNode = pps.moveTo("https://www.its.leeds.ac.uk/fileadmin/documents/alumni/Michele_Dix_Leeds_University_-_FINAL.PPTX");
+    List<SimpleNode> slides = slideShowNode.out("slides")
+        .collect(Collectors.toCollection(ArrayList::new));
+    // debug=true;
+    if (debug)
+      slides.forEach(slide -> slide.printNameValues(System.out));
+    assertEquals(44, slides.size());
+  }
 
 }

simplegraph-smw/src/main/java/gov/nasa/worldwind/geom/Angle.java

@@ -1,7 +1,22 @@
-/*
- * Copyright (C) 2011 United States Government as represented by the Administrator of the
- * National Aeronautics and Space Administration.
- * All Rights Reserved.
+/**
+ * Copyright (c) 2018 BITPlan GmbH
+ *
+ * http://www.bitplan.com
+ *
+ * This file is part of the Opensource project at:
+ * https://github.com/BITPlan/com.bitplan.simplegraph
+ *
+ * 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 gov.nasa.worldwind.geom;