P2 mirror for maven plugin

CHANGES.md

@@ -11,10 +11,11 @@ We adhere to the [keepachangelog](https://keepachangelog.com/en/1.0.0/) format (
 
 ## [Unreleased]
 ### Added
-* Add support for biome. The Rome project [was renamed to Biome](https://biomejs.dev/blog/annoucing-biome/).
+* Support for biome. The Rome project [was renamed to Biome](https://biomejs.dev/blog/annoucing-biome/).
   The configuration is still the same, but you should switch to the new `biome` tag / function and adjust
   the version accordingly. ([#1804](https://github.com/diffplug/spotless/issues/1804)).
-* Add support for `google-java-format`'s `skip-javadoc-formatting` option. ([#1793](https://github.com/diffplug/spotless/pull/1793))
+* Support for `google-java-format`'s `skip-javadoc-formatting` option. ([#1793](https://github.com/diffplug/spotless/pull/1793))
+* Support configuration of mirrors for P2 repositories in maven DSL ([#1697](https://github.com/diffplug/spotless/issues/1697)).
 ### Fixed
 * Fix support for plugins when using Prettier version `3.0.0` and newer. ([#1802](https://github.com/diffplug/spotless/pull/1802))
 ### Changes

lib-extra/src/main/java/com/diffplug/spotless/extra/EquoBasedStepBuilder.java

@@ -15,10 +15,13 @@
  */
 package com.diffplug.spotless.extra;
 
+import static java.util.stream.Collectors.toMap;
+
 import java.io.File;
 import java.io.IOException;
 import java.io.Serializable;
 import java.util.ArrayList;
+import java.util.Collection;
 import java.util.List;
 import java.util.Map;
 import java.util.Properties;
@@ -76,6 +79,10 @@ public void setP2Mirrors(Map<String, String> p2Mirrors) {
 		this.p2Mirrors = Map.copyOf(p2Mirrors);
 	}
 
+	public void setP2Mirrors(Collection<P2Mirror> p2Mirrors) {
+		this.p2Mirrors = p2Mirrors.stream().collect(toMap(P2Mirror::getPrefix, P2Mirror::getUrl));
+	}
+
 	/** Returns the FormatterStep (whose state will be calculated lazily). */
 	public FormatterStep build() {
 		return FormatterStep.createLazy(formatterName, this::get, stateToFormatter);
@@ -110,7 +117,7 @@ EquoBasedStepBuilder.State get() throws Exception {
 		}
 		var classpath = new ArrayList<File>();
 		var mavenDeps = new ArrayList<String>();
-		mavenDeps.add("dev.equo.ide:solstice:1.3.1");
+		mavenDeps.add("dev.equo.ide:solstice:1.7.3");
 		mavenDeps.add("com.diffplug.durian:durian-swt.os:4.2.0");
 		mavenDeps.addAll(query.getJarsOnMavenCentral());
 		classpath.addAll(mavenProvisioner.provisionWithTransitives(false, mavenDeps));

lib-extra/src/main/java/com/diffplug/spotless/extra/P2Mirror.java

@@ -0,0 +1,33 @@
+/*
+ * Copyright 2023 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.spotless.extra;
+
+import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
+
+@SuppressFBWarnings("UWF_UNWRITTEN_FIELD")
+public class P2Mirror {
+
+	private String prefix;
+	private String url;
+
+	public String getPrefix() {
+		return prefix;
+	}
+
+	public String getUrl() {
+		return url;
+	}
+}

plugin-maven/CHANGES.md

@@ -8,6 +8,19 @@ We adhere to the [keepachangelog](https://keepachangelog.com/en/1.0.0/) format (
 * Added support for biome. The Rome project [was renamed to Biome](https://biomejs.dev/blog/annoucing-biome/).
   The configuration is still the same, but you should switch to the new `<biome>` tag and adjust
   the version accordingly. ([#1804](https://github.com/diffplug/spotless/issues/1804)).
+* Support configuration of mirrors for P2 repositories ([#1697](https://github.com/diffplug/spotless/issues/1697)):
+  ```
+  <eclipse>
+    <p2Mirrors>
+      <p2Mirror>
+        <prefix>https://download.eclipse.org/</prefix>
+        <url>https://some.internal.mirror/eclipse</url>
+      </p2Mirror>
+    </p2Mirrors>
+  </eclipse>
+  ```
+  Mirrors are selected by prefix match, for example `https://download.eclipse.org/eclipse/updates/4.26/` will be redirected to `https://some.internal.mirror/eclipse/eclipse/updates/4.26/`.
+  The same configuration exists for `<greclipse>` and `<eclipseCdt>`.
 ### Fixed
 * Fixed support for plugins when using Prettier version `3.0.0` and newer. ([#1802](https://github.com/diffplug/spotless/pull/1802))
 ### Changes

plugin-maven/src/main/java/com/diffplug/spotless/maven/cpp/EclipseCdt.java

@@ -16,12 +16,15 @@
 package com.diffplug.spotless.maven.cpp;
 
 import java.io.File;
+import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.List;
 
 import org.apache.maven.plugins.annotations.Parameter;
 
 import com.diffplug.spotless.FormatterStep;
 import com.diffplug.spotless.extra.EquoBasedStepBuilder;
+import com.diffplug.spotless.extra.P2Mirror;
 import com.diffplug.spotless.extra.cpp.EclipseCdtFormatterStep;
 import com.diffplug.spotless.maven.FormatterStepConfig;
 import com.diffplug.spotless.maven.FormatterStepFactory;
@@ -34,6 +37,9 @@ public class EclipseCdt implements FormatterStepFactory {
 	@Parameter
 	private String version;
 
+	@Parameter
+	private List<P2Mirror> p2Mirrors = new ArrayList<>();
+
 	@Override
 	public FormatterStep newFormatterStep(FormatterStepConfig stepConfig) {
 		EquoBasedStepBuilder eclipseConfig = EclipseCdtFormatterStep.createBuilder(stepConfig.getProvisioner());
@@ -42,6 +48,7 @@ public FormatterStep newFormatterStep(FormatterStepConfig stepConfig) {
 			File settingsFile = stepConfig.getFileLocator().locateFile(file);
 			eclipseConfig.setPreferences(Arrays.asList(settingsFile));
 		}
+		eclipseConfig.setP2Mirrors(p2Mirrors);
 		return eclipseConfig.build();
 	}
 }

plugin-maven/src/main/java/com/diffplug/spotless/maven/groovy/GrEclipse.java

@@ -16,12 +16,15 @@
 package com.diffplug.spotless.maven.groovy;
 
 import java.io.File;
+import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.List;
 
 import org.apache.maven.plugins.annotations.Parameter;
 
 import com.diffplug.spotless.FormatterStep;
 import com.diffplug.spotless.extra.EquoBasedStepBuilder;
+import com.diffplug.spotless.extra.P2Mirror;
 import com.diffplug.spotless.extra.groovy.GrEclipseFormatterStep;
 import com.diffplug.spotless.maven.FormatterStepConfig;
 import com.diffplug.spotless.maven.FormatterStepFactory;
@@ -34,6 +37,9 @@ public class GrEclipse implements FormatterStepFactory {
 	@Parameter
 	private String version;
 
+	@Parameter
+	private List<P2Mirror> p2Mirrors = new ArrayList<>();
+
 	@Override
 	public FormatterStep newFormatterStep(FormatterStepConfig stepConfig) {
 		EquoBasedStepBuilder grEclipseConfig = GrEclipseFormatterStep.createBuilder(stepConfig.getProvisioner());
@@ -42,6 +48,7 @@ public FormatterStep newFormatterStep(FormatterStepConfig stepConfig) {
 			File settingsFile = stepConfig.getFileLocator().locateFile(file);
 			grEclipseConfig.setPreferences(Arrays.asList(settingsFile));
 		}
+		grEclipseConfig.setP2Mirrors(p2Mirrors);
 		return grEclipseConfig.build();
 	}
 }

plugin-maven/src/main/java/com/diffplug/spotless/maven/java/Eclipse.java

@@ -16,12 +16,15 @@
 package com.diffplug.spotless.maven.java;
 
 import java.io.File;
+import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.List;
 
 import org.apache.maven.plugins.annotations.Parameter;
 
 import com.diffplug.spotless.FormatterStep;
 import com.diffplug.spotless.extra.EquoBasedStepBuilder;
+import com.diffplug.spotless.extra.P2Mirror;
 import com.diffplug.spotless.extra.java.EclipseJdtFormatterStep;
 import com.diffplug.spotless.maven.FormatterStepConfig;
 import com.diffplug.spotless.maven.FormatterStepFactory;
@@ -34,6 +37,9 @@ public class Eclipse implements FormatterStepFactory {
 	@Parameter
 	private String version;
 
+	@Parameter
+	private List<P2Mirror> p2Mirrors = new ArrayList<>();
+
 	@Override
 	public FormatterStep newFormatterStep(FormatterStepConfig stepConfig) {
 		EquoBasedStepBuilder eclipseConfig = EclipseJdtFormatterStep.createBuilder(stepConfig.getProvisioner());
@@ -42,6 +48,7 @@ public FormatterStep newFormatterStep(FormatterStepConfig stepConfig) {
 			File settingsFile = stepConfig.getFileLocator().locateFile(file);
 			eclipseConfig.setPreferences(Arrays.asList(settingsFile));
 		}
+		eclipseConfig.setP2Mirrors(p2Mirrors);
 		return eclipseConfig.build();
 	}
 }