Fixed Spotless so that it actually works. (diffplug/spotless#437 stri…

…kes again!)

build.gradle

@@ -1,12 +1,13 @@
 plugins {
 	id 'java-gradle-plugin'
+	id 'com.gradle.plugin-publish' version '0.10.1'
 	id 'com.github.ben-manes.versions' version '0.27.0'
 	id 'com.diffplug.gradle.spotless' version '3.26.1'
 }
 
 spotless {
 	format 'misc', {
-		target '.gitignore', '*.gradle', '.ci/*.sh', 'src/main/resources/*.gradle'
+		target '.gitignore', '*.gradle', 'src/main/resources/*.gradle'
 		indentWithTabs()
 	}
 	freshmark {
@@ -16,6 +17,13 @@ spotless {
 		endWithNewline()
 		propertiesFile('gradle.properties')
 	}
+	java {
+		target 'src/main/java/**/*.java', 'src/test/java/**/*.java'
+		licenseHeaderFile    rootProject.file('gradle/spotless/spotless.license.java')		// License header file
+		eclipse().configFile rootProject.file('gradle/spotless/spotless.eclipseformat.xml')	// XML file dumped out by the Eclipse formatter
+		importOrder()
+		removeUnusedImports()
+	}
 }
 
 apply plugin: 'eclipse'
@@ -41,3 +49,8 @@ gradlePlugin {
 		}
 	}
 }
+pluginBundle {
+	website = 'https://github.com/diffplug/blowdryer' 
+	vcsUrl = 'https://github.com/diffplug/blowdryer' 
+	tags = ['defaults', 'standards', 'dry', 'multi-project']
+}

src/main/java/com/diffplug/blowdryer/AsFile.java

@@ -1,5 +1,25 @@
+/*
+ * Copyright 2019 DiffPlug
+ *
+ * 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.diffplug.blowdryer;
 
+
+import com.diffplug.common.base.Errors;
+import com.diffplug.common.base.StandardSystemProperty;
+import com.diffplug.common.hash.Hashing;
+import com.diffplug.common.io.Files;
 import java.io.File;
 import java.io.IOException;
 import java.io.InputStream;
@@ -11,12 +31,6 @@
 import java.util.Map;
 import java.util.Objects;
 import java.util.Properties;
-
-import com.diffplug.common.base.Errors;
-import com.diffplug.common.base.StandardSystemProperty;
-import com.diffplug.common.hash.Hashing;
-import com.diffplug.common.io.Files;
-
 import okhttp3.OkHttpClient;
 import okhttp3.Request;
 import okhttp3.Response;

src/main/java/com/diffplug/blowdryer/BlowdryerExtension.java

@@ -1,14 +1,28 @@
+/*
+ * Copyright 2019 DiffPlug
+ *
+ * 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.diffplug.blowdryer;
 
+
+import com.diffplug.common.base.Errors;
 import java.io.File;
 import java.util.Arrays;
 import java.util.Collection;
 import java.util.Objects;
-
 import org.gradle.api.Project;
 
-import com.diffplug.common.base.Errors;
-
 public class BlowdryerExtension {
 	static final String NAME = "blowdryer";
 

src/main/java/com/diffplug/blowdryer/BlowdryerPlugin.java

@@ -1,11 +1,32 @@
+/*
+ * Copyright 2019 DiffPlug
+ *
+ * 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.diffplug.blowdryer;
 
+
 import org.gradle.api.Plugin;
 import org.gradle.api.Project;
 
 public class BlowdryerPlugin implements Plugin<Project> {
+	static final String PLUGIN_ID = "com.diffplug.blowdryer";
+
 	@Override
 	public void apply(Project project) {
+		if (project.getRootProject() != project) {
+			throw new IllegalArgumentException("You must apply " + PLUGIN_ID + " only on the root project, not " + project.getPath());
+		}
 		project.getExtensions().create(BlowdryerExtension.NAME, BlowdryerExtension.class);
 	}
 }

src/test/java/com/diffplug/blowdryer/AsFileTest.java

@@ -0,0 +1,33 @@
+/*
+ * Copyright 2019 DiffPlug
+ *
+ * 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.diffplug.blowdryer;
+
+
+import org.assertj.core.api.Assertions;
+import org.junit.Test;
+
+public class AsFileTest {
+	@Test
+	public void filenameSafe() {
+		filenameSafe("http://shortName.com/a+b-0-9~Z", "http-shortName.com-a+b-0-9-Z");
+		filenameSafe("https://raw.githubusercontent.com/diffplug/durian-build/07f588e52eb0f31e596eab0228a5df7233a98a14/gradle/spotless/spotless.license.java",
+				"https-raw.githubusercontent.com-diffplug--3vpUTw--14-gradle-spotless-spotless.license.java");
+	}
+
+	private void filenameSafe(String url, String safe) {
+		Assertions.assertThat(AsFile.filenameSafe(url)).isEqualTo(safe);
+	}
+}