Add implementation for 'Show message request' LS feature (eclipse-che…

…#5860)

* eclipse-che#1794 implement 'ShowMessageRequest'

agents/pom.xml

@@ -37,5 +37,6 @@
         <module>ls-python</module>
         <module>ls-typescript</module>
         <module>ls-csharp</module>
+        <module>test-ls</module>
     </modules>
 </project>

agents/test-ls/pom.xml

@@ -0,0 +1,41 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+
+    Copyright (c) 2012-2017 Red Hat, Inc.
+    All rights reserved. This program and the accompanying materials
+    are made available under the terms of the Eclipse Public License v1.0
+    which accompanies this distribution, and is available at
+    http://www.eclipse.org/legal/epl-v10.html
+
+    Contributors:
+      Red Hat, Inc. - initial API and implementation
+
+-->
+<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>
+    <parent>
+        <artifactId>che-agents-parent</artifactId>
+        <groupId>org.eclipse.che</groupId>
+        <version>5.18.0-SNAPSHOT</version>
+    </parent>
+    <artifactId>test-ls-agent</artifactId>
+    <name>Test Language Server Agent</name>
+    <dependencies>
+        <dependency>
+            <groupId>com.google.inject</groupId>
+            <artifactId>guice</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>com.google.inject.extensions</groupId>
+            <artifactId>guice-multibindings</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.eclipse.che.core</groupId>
+            <artifactId>che-core-api-agent-shared</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.eclipse.che.core</groupId>
+            <artifactId>che-core-commons-inject</artifactId>
+        </dependency>
+    </dependencies>
+</project>

agents/test-ls/src/main/java/org/eclipse/che/api/agent/TestLSAgent.java

@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 2012-2017 Red Hat, Inc.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *   Red Hat, Inc. - initial API and implementation
+ */
+
+package org.eclipse.che.api.agent;
+
+import com.google.inject.Inject;
+import com.google.inject.Singleton;
+import java.io.IOException;
+import org.eclipse.che.api.agent.shared.model.Agent;
+import org.eclipse.che.api.agent.shared.model.impl.BasicAgent;
+
+/**
+ * Test Language server agent.
+ *
+ * @see Agent
+ */
+@Singleton
+public class TestLSAgent extends BasicAgent {
+  private static final String AGENT_DESCRIPTOR = "org.eclipse.che.test.ls.json";
+  private static final String AGENT_SCRIPT = "org.eclipse.che.test.ls.script.sh";
+
+  @Inject
+  public TestLSAgent() throws IOException {
+    super(AGENT_DESCRIPTOR, AGENT_SCRIPT);
+  }
+}

agents/test-ls/src/main/java/org/eclipse/che/api/agent/TestLSModule.java

@@ -0,0 +1,30 @@
+/*
+ * Copyright (c) 2012-2017 Red Hat, Inc.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *   Red Hat, Inc. - initial API and implementation
+ */
+
+package org.eclipse.che.api.agent;
+
+import com.google.inject.AbstractModule;
+import com.google.inject.multibindings.Multibinder;
+import org.eclipse.che.api.agent.shared.model.Agent;
+import org.eclipse.che.inject.DynaModule;
+
+/** Test language server module */
+@DynaModule
+public class TestLSModule extends AbstractModule {
+  @Override
+  protected void configure() {
+
+    if (System.getProperty("test_language_server_enabled") != null) {
+      Multibinder<Agent> agents = Multibinder.newSetBinder(binder(), Agent.class);
+      agents.addBinding().to(TestLSAgent.class);
+    }
+  }
+}

agents/test-ls/src/main/resources/org.eclipse.che.test.ls.json

@@ -0,0 +1,7 @@
+{
+  "id": "org.eclipse.che.test.ls",
+  "name": "Simple Test language server",
+  "description": "Test LS",
+  "dependencies": [],
+  "properties": {}
+}

agents/test-ls/src/main/resources/org.eclipse.che.test.ls.script.sh

@@ -0,0 +1,170 @@
+#
+# Copyright (c) 2012-2017 Red Hat, Inc.
+# All rights reserved. This program and the accompanying materials
+# are made available under the terms of the Eclipse Public License v1.0
+# which accompanies this distribution, and is available at
+# http://www.eclipse.org/legal/epl-v10.html
+#
+# Contributors:
+#   Red Hat, Inc. - initial API and implementation
+#
+
+unset PACKAGES
+unset SUDO
+command -v tar >/dev/null 2>&1 || { PACKAGES=${PACKAGES}" tar"; }
+command -v curl >/dev/null 2>&1 || { PACKAGES=${PACKAGES}" curl"; }
+test "$(id -u)" = 0 || SUDO="sudo -E"
+
+AGENT_BINARIES_URI=https://codenvy.com/update/repository/public/download/org.eclipse.che.ls.test.binaries
+CHE_DIR=$HOME/che
+LS_DIR=${CHE_DIR}/test-ls
+LS_LAUNCHER=${LS_DIR}/launch.sh
+
+if [ -f /etc/centos-release ]; then
+    FILE="/etc/centos-release"
+    LINUX_TYPE=$(cat $FILE | awk '{print $1}')
+ elif [ -f /etc/redhat-release ]; then
+    FILE="/etc/redhat-release"
+    LINUX_TYPE=$(cat $FILE | cut -c 1-8)
+ else
+    FILE="/etc/os-release"
+    LINUX_TYPE=$(cat $FILE | grep ^ID= | tr '[:upper:]' '[:lower:]')
+    LINUX_VERSION=$(cat $FILE | grep ^VERSION_ID=)
+fi
+
+MACHINE_TYPE=$(uname -m)
+
+mkdir -p ${CHE_DIR}
+mkdir -p ${LS_DIR}
+
+########################
+### Install packages ###
+########################
+
+# Red Hat Enterprise Linux 7
+############################
+if echo ${LINUX_TYPE} | grep -qi "rhel"; then
+    test "${PACKAGES}" = "" || {
+        ${SUDO} yum install ${PACKAGES};
+    }
+
+    command -v nodejs >/dev/null 2>&1 || {
+        curl --silent --location https://rpm.nodesource.com/setup_6.x | ${SUDO} bash -;
+        ${SUDO} yum -y install nodejs;
+    }
+
+# Red Hat Enterprise Linux 6
+############################
+elif echo ${LINUX_TYPE} | grep -qi "Red Hat"; then
+    test "${PACKAGES}" = "" || {
+        ${SUDO} yum install ${PACKAGES};
+    }
+
+    command -v nodejs >/dev/null 2>&1 || {
+        curl --silent --location https://rpm.nodesource.com/setup_6.x | ${SUDO} bash -;
+        ${SUDO} yum -y install nodejs;
+    }
+
+
+# Ubuntu 14.04 16.04 / Linux Mint 17
+####################################
+elif echo ${LINUX_TYPE} | grep -qi "ubuntu"; then
+    test "${PACKAGES}" = "" || {
+        ${SUDO} apt-get update;
+        ${SUDO} apt-get -y install ${PACKAGES};
+    }
+
+    command -v nodejs >/dev/null 2>&1 || {
+        {
+            curl -sL https://deb.nodesource.com/setup_6.x | ${SUDO} bash -;
+        };
+
+        ${SUDO} apt-get update;
+        ${SUDO} apt-get install -y nodejs;
+    }
+
+
+# Debian 8
+##########
+elif echo ${LINUX_TYPE} | grep -qi "debian"; then
+    test "${PACKAGES}" = "" || {
+        ${SUDO} apt-get update;
+        ${SUDO} apt-get -y install ${PACKAGES};
+    }
+
+    command -v nodejs >/dev/null 2>&1 || {
+        {
+            curl -sL https://deb.nodesource.com/setup_6.x | ${SUDO} bash -;
+        };
+
+        ${SUDO} apt-get update;
+        ${SUDO} apt-get install -y nodejs;
+    }
+
+# Fedora 23
+###########
+elif echo ${LINUX_TYPE} | grep -qi "fedora"; then
+    command -v ps >/dev/null 2>&1 || { PACKAGES=${PACKAGES}" procps-ng"; }
+    test "${PACKAGES}" = "" || {
+        ${SUDO} dnf -y install ${PACKAGES};
+    }
+
+    command -v nodejs >/dev/null 2>&1 || {
+        curl --silent --location https://rpm.nodesource.com/setup_6.x | ${SUDO} bash -;
+        ${SUDO} dnf -y install nodejs;
+    }
+
+
+# CentOS 7.1 & Oracle Linux 7.1
+###############################
+elif echo ${LINUX_TYPE} | grep -qi "centos"; then
+    test "${PACKAGES}" = "" || {
+        ${SUDO} yum -y install ${PACKAGES};
+    }
+
+    command -v nodejs >/dev/null 2>&1 || {
+        curl --silent --location https://rpm.nodesource.com/setup_6.x | ${SUDO} bash -;
+        ${SUDO} yum -y install nodejs;
+    }
+
+# openSUSE 13.2
+###############
+elif echo ${LINUX_TYPE} | grep -qi "opensuse"; then
+    test "${PACKAGES}" = "" || {
+        ${SUDO} zypper install -y ${PACKAGES};
+    }
+
+    command -v nodejs >/dev/null 2>&1 || {
+        ${SUDO} zypper ar http://download.opensuse.org/repositories/devel:/languages:/nodejs/openSUSE_13.1/ Node.js
+        ${SUDO} zypper in nodejs
+    }
+
+# Alpine 3.3
+############
+elif echo ${LINUX_TYPE} | grep -qi "alpine"; then
+    test "${PACKAGES}" = "" || {
+        ${SUDO} apk update
+        ${SUDO} apk add ${PACKAGES};
+    }
+
+    command -v nodejs >/dev/null 2>&1 || {
+        ${SUDO} apk update
+        ${SUDO} apk add nodejs;
+    }
+
+else
+    >&2 echo "Unrecognized Linux Type"
+    >&2 cat $FILE
+    exit 1
+fi
+
+
+#######################
+### Install Test LS ###
+#######################
+
+curl -s ${AGENT_BINARIES_URI} | tar xzf - -C ${LS_DIR}
+
+touch ${LS_LAUNCHER}
+chmod +x ${LS_LAUNCHER}
+echo "${LS_DIR}/test-ls/server.sh" > ${LS_LAUNCHER}

assembly/assembly-wsagent-war/pom.xml

@@ -107,6 +107,10 @@
             <groupId>org.eclipse.che.plugin</groupId>
             <artifactId>che-plugin-svn-ext-server</artifactId>
         </dependency>
+        <dependency>
+            <groupId>org.eclipse.che.plugin</groupId>
+            <artifactId>che-plugin-test-ls-server</artifactId>
+        </dependency>
         <dependency>
             <groupId>org.eclipse.che.plugin</groupId>
             <artifactId>che-plugin-testing-classpath</artifactId>

assembly/assembly-wsmaster-war/pom.xml

@@ -98,6 +98,10 @@
             <groupId>org.eclipse.che</groupId>
             <artifactId>terminal-agent</artifactId>
         </dependency>
+        <dependency>
+            <groupId>org.eclipse.che</groupId>
+            <artifactId>test-ls-agent</artifactId>
+        </dependency>
         <dependency>
             <groupId>org.eclipse.che</groupId>
             <artifactId>unison-agent</artifactId>

core/che-core-api-core/src/main/java/org/eclipse/che/api/core/jsonrpc/commons/JsonRpcPromise.java

@@ -28,11 +28,11 @@ public class JsonRpcPromise<R> {
   private BiConsumer<String, JsonRpcError> failureConsumer;
   private Runnable timeoutRunnable;
 
-  Optional<BiConsumer<String, R>> getSuccessConsumer() {
+  public Optional<BiConsumer<String, R>> getSuccessConsumer() {
     return Optional.ofNullable(successConsumer);
   }
 
-  Optional<BiConsumer<String, JsonRpcError>> getFailureConsumer() {
+  public Optional<BiConsumer<String, JsonRpcError>> getFailureConsumer() {
     return Optional.ofNullable(failureConsumer);
   }