1 files changed, 119 insertions, 0 deletions

diff --git a/src/main/java/cuchaz/enigma/Enigma.java b/src/main/java/cuchaz/enigma/Enigma.java
new file mode 100644
index 0000000..fd23b47
--- /dev/null
+++ b/src/main/java/cuchaz/enigma/Enigma.java
@@ -0,0 +1,119 @@
+/*******************************************************************************
+ * Copyright (c) 2015 Jeff Martin.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the GNU Lesser General Public
+ * License v3.0 which accompanies this distribution, and is available at
+ * http://www.gnu.org/licenses/lgpl.html
+ * <p>
+ * Contributors:
+ * Jeff Martin - initial API and implementation
+ ******************************************************************************/
+
+package cuchaz.enigma;
+
+import com.google.common.base.Preconditions;
+import com.google.common.collect.ImmutableMap;
+import cuchaz.enigma.analysis.ClassCache;
+import cuchaz.enigma.analysis.index.JarIndex;
+import cuchaz.enigma.api.EnigmaPlugin;
+import cuchaz.enigma.api.EnigmaPluginContext;
+import cuchaz.enigma.api.service.EnigmaService;
+import cuchaz.enigma.api.service.EnigmaServiceFactory;
+import cuchaz.enigma.api.service.EnigmaServiceType;
+import cuchaz.enigma.api.service.JarIndexerService;
+
+import java.io.IOException;
+import java.nio.file.Path;
+import java.util.ServiceLoader;
+
+public class Enigma {
+        private final EnigmaProfile profile;
+        private final EnigmaServices services;
+
+        private Enigma(EnigmaProfile profile, EnigmaServices services) {
+                this.profile = profile;
+                this.services = services;
+        }
+
+        public static Enigma create() {
+                return new Builder().build();
+        }
+
+        public static Builder builder() {
+                return new Builder();
+        }
+
+        public EnigmaProject openJar(Path path, ProgressListener progress) throws IOException {
+                ClassCache classCache = ClassCache.of(path);
+                JarIndex jarIndex = classCache.index(progress);
+
+                services.get(JarIndexerService.TYPE).ifPresent(indexer -> {
+                        indexer.acceptJar(classCache, jarIndex);
+                });
+
+                return new EnigmaProject(this, classCache, jarIndex);
+        }
+
+        public EnigmaProfile getProfile() {
+                return profile;
+        }
+
+        public EnigmaServices getServices() {
+                return services;
+        }
+
+        public static class Builder {
+                private EnigmaProfile profile = EnigmaProfile.EMPTY;
+                private Iterable<EnigmaPlugin> plugins = ServiceLoader.load(EnigmaPlugin.class);
+
+                private Builder() {
+                }
+
+                public Builder setProfile(EnigmaProfile profile) {
+                        Preconditions.checkNotNull(profile, "profile cannot be null");
+                        this.profile = profile;
+                        return this;
+                }
+
+                public Builder setPlugins(Iterable<EnigmaPlugin> plugins) {
+                        Preconditions.checkNotNull(plugins, "plugins cannot be null");
+                        this.plugins = plugins;
+                        return this;
+                }
+
+                public Enigma build() {
+                        PluginContext pluginContext = new PluginContext(profile);
+                        for (EnigmaPlugin plugin : plugins) {
+                                plugin.init(pluginContext);
+                        }
+
+                        EnigmaServices services = pluginContext.buildServices();
+                        return new Enigma(profile, services);
+                }
+        }
+
+        private static class PluginContext implements EnigmaPluginContext {
+                private final EnigmaProfile profile;
+
+                private final ImmutableMap.Builder<EnigmaServiceType<?>, EnigmaService> services = ImmutableMap.builder();
+
+                PluginContext(EnigmaProfile profile) {
+                        this.profile = profile;
+                }
+
+                @Override
+                public <T extends EnigmaService> void registerService(String id, EnigmaServiceType<T> serviceType, EnigmaServiceFactory<T> factory) {
+                        EnigmaProfile.Service serviceProfile = profile.getServiceProfile(serviceType);
+
+                        // if this service type is not configured, or it is configured to use a different service id, skip
+                        if (serviceProfile == null || !serviceProfile.matches(id)) return;
+
+                        T service = factory.create(serviceProfile::getArgument);
+                        services.put(serviceType, service);
+                }
+
+                EnigmaServices buildServices() {
+                        return new EnigmaServices(services.build());
+                }
+        }
+}