1 /* 2 * Copyright (C) 2014 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #pragma once 18 19 20 #include <set> // STL std::set 21 #include "JavaPath.h" 22 23 class CJavaFinder { 24 public: 25 // Creates a new JavaFinder. 26 // minVersion to accept, using JAVA_VERS_TO_INT macro. 0 to accept everything. 27 CJavaFinder(int minVersion = 0); 28 ~CJavaFinder(); 29 getMinVersion()30 int getMinVersion() const { return mMinVersion; } 31 32 // Returns the path recorded in the registry. 33 // If there is no path or it is no longer valid, returns an empty string. 34 CJavaPath getRegistryPath(); 35 36 // Sets the given path as the default to use in the registry. 37 // Returns true on success. 38 bool setRegistryPath(const CJavaPath &javaPath); 39 40 // Scans the registry, the environment and program files for potential Java.exe locations. 41 // Fills the given set with the tuples (version, path) found, guaranteed sorted and unique. 42 void findJavaPaths(std::set<CJavaPath> *paths); 43 44 // Checks the given path for a given java.exe. 45 // Input path variation tried are: path as-is, path/java.exe or path/bin/java.exe. 46 // Places the java path and version in outPath; 47 // Returns true if a java path was found *and* its version is at least mMinVersion. 48 bool checkJavaPath(const CString &path, CJavaPath *outPath); 49 50 private: 51 int mMinVersion; 52 }; 53