initial steps towards lsp-based editor for eclipse, based on Eclipse 4.7

eclipse-extensions/org.springframework.boot.ide.properties.editors/.project

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+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>org.springframework.boot.ide.properties.editors</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.pde.ManifestBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.pde.SchemaBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.pde.PluginNature</nature>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+	</natures>
+</projectDescription>

eclipse-extensions/org.springframework.boot.ide.properties.editors/.settings/org.eclipse.jdt.core.prefs

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+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
+org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
+org.eclipse.jdt.core.compiler.source=1.8

eclipse-extensions/org.springframework.boot.ide.properties.editors/META-INF/MANIFEST.MF

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+Manifest-Version: 1.0
+Bundle-ManifestVersion: 2
+Bundle-Name: Spring Boot IDE LSP-based Property Editors
+Bundle-SymbolicName: org.springframework.boot.ide.properties.editors;singleton:=true
+Bundle-Version: 4.0.0.qualifier
+Bundle-Vendor: Pivotal, Inc.
+Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Require-Bundle: org.eclipse.languageserver;bundle-version="0.1.0",
+ org.eclipse.ui.genericeditor;bundle-version="1.0.0",
+ org.eclipse.core.runtime;bundle-version="3.12.0"

eclipse-extensions/org.springframework.boot.ide.properties.editors/build.properties

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+source.. = src/
+output.. = bin/
+bin.includes = META-INF/,\
+               .,\
+               plugin.xml

eclipse-extensions/org.springframework.boot.ide.properties.editors/plugin.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<?eclipse version="3.4"?>
+<plugin>
+
+   <extension
+         point="org.eclipse.core.contenttype.contentTypes">
+      <content-type
+            base-type="org.eclipse.jdt.core.javaProperties"
+            default-charset="ISO-8859-1"
+            id="org.springframework.boot.ide.properties.applicationProperties"
+            name="Spring Properties File"
+            priority="high">
+      </content-type>
+      <file-association
+            content-type="org.springframework.boot.ide.properties.applicationProperties"
+            file-names="application.properties,application-dev.properties">
+      </file-association>
+   </extension>
+   
+   <extension
+         point="org.eclipse.ui.editors">
+      <editorContentTypeBinding
+            contentTypeId="org.springframework.boot.ide.properties.applicationProperties"
+            editorId="org.eclipse.ui.genericeditor.GenericEditor">
+      </editorContentTypeBinding>
+   </extension>
+
+</plugin>

eclipse-extensions/org.springframework.boot.ide.properties.editors/pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<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/maven-v4_0_0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+
+	<parent>
+		<groupId>org.springframework.boot.ide</groupId>
+		<artifactId>org.springframework.boot.ide</artifactId>
+		<version>4.0.0-SNAPSHOT</version>
+		<relativePath>../pom.xml</relativePath>
+	</parent>
+
+  <artifactId>org.springframework.boot.ide.properties.editors</artifactId>
+  <packaging>eclipse-plugin</packaging>
+
+  <name>org.springframework.boot.ide.properties.editors</name>
+
+  <build>
+		<plugins>
+			<plugin>
+				<groupId>org.eclipse.tycho</groupId>
+				<artifactId>tycho-p2-plugin</artifactId>
+				<version>${tycho-version}</version>
+				<executions>
+					<execution>
+						<id>second-generate-p2-metadata</id>
+						<goals>
+							<goal>p2-metadata</goal>
+						</goals>
+						<phase>verify</phase>
+					</execution>
+				</executions>
+			</plugin>
+		</plugins>
+  </build>
+</project>