| /* |
| * Copyright (C) 2009 The Android Open Source Project |
| * |
| * 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.android.sdklib.repository; |
| |
| import com.android.annotations.NonNull; |
| import com.android.annotations.Nullable; |
| import com.android.sdklib.SdkManager; |
| import com.android.utils.FileUtils; |
| import com.google.common.base.Charsets; |
| import com.google.common.hash.Hashing; |
| import com.google.common.io.Files; |
| |
| import java.io.File; |
| import java.io.FileWriter; |
| import java.io.IOException; |
| |
| /** |
| * License text, with an optional license XML reference. |
| */ |
| public class License { |
| private final String mLicense; |
| private final String mLicenseRef; |
| private final String mLicenseHash; |
| |
| private static final String LICENSE_DIR = "licenses"; |
| |
| public License(@NonNull String license, @Nullable String licenseRef) { |
| mLicense = license; |
| mLicenseRef = licenseRef; |
| mLicenseHash = Hashing.sha1().hashBytes(mLicense.getBytes()).toString(); |
| } |
| |
| /** Returns the license text. Never null. */ |
| @NonNull |
| public String getLicense() { |
| return mLicense; |
| } |
| |
| /** Returns the hash of the license text. Never null. */ |
| @NonNull |
| public String getLicenseHash() { |
| return mLicenseHash; |
| } |
| |
| /** |
| * Returns the license XML reference. |
| * Could be null, e.g. in tests or synthetic packages |
| * recreated from local source.properties. |
| */ |
| @Nullable |
| public String getLicenseRef() { |
| return mLicenseRef; |
| } |
| |
| /** |
| * Returns a string representation of the license, useful for debugging. |
| * This is not designed to be shown to the user. |
| */ |
| @Override |
| public String toString() { |
| StringBuilder sb = new StringBuilder(); |
| sb.append("<License ref:") |
| .append(mLicenseRef) |
| .append(", text:") |
| .append(mLicense) |
| .append(">"); |
| return sb.toString(); |
| } |
| |
| @Override |
| public int hashCode() { |
| final int prime = 31; |
| int result = 1; |
| result = prime * result |
| + ((mLicense == null) ? 0 : mLicense.hashCode()); |
| result = prime * result |
| + ((mLicenseRef == null) ? 0 : mLicenseRef.hashCode()); |
| return result; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (obj == null) { |
| return false; |
| } |
| if (!(obj instanceof License)) { |
| return false; |
| } |
| License other = (License) obj; |
| if (mLicense == null) { |
| if (other.mLicense != null) { |
| return false; |
| } |
| } else if (!mLicense.equals(other.mLicense)) { |
| return false; |
| } |
| if (mLicenseRef == null) { |
| if (other.mLicenseRef != null) { |
| return false; |
| } |
| } else if (!mLicenseRef.equals(other.mLicenseRef)) { |
| return false; |
| } |
| return true; |
| } |
| |
| /** |
| * Checks whether this license has previously been accepted. |
| * @param sdkRoot The root directory of the Android SDK |
| * @return true if this license has already been accepted |
| */ |
| public boolean checkAccepted(@Nullable File sdkRoot) { |
| if (sdkRoot == null) { |
| return false; |
| } |
| File licenseDir = new File(sdkRoot, LICENSE_DIR); |
| File licenseFile = new File(licenseDir, mLicenseRef == null ? mLicenseHash : mLicenseRef); |
| if (!licenseFile.exists()) { |
| return false; |
| } |
| try { |
| String hash = Files.readFirstLine(licenseFile, Charsets.UTF_8); |
| return hash.equals(mLicenseHash); |
| } catch (IOException e) { |
| return false; |
| } |
| } |
| |
| /** |
| * Marks this license as accepted. |
| * |
| * @param sdkRoot The root directory of the Android SDK |
| * @return true if the acceptance was persisted successfully. |
| */ |
| public boolean setAccepted(@Nullable File sdkRoot) { |
| if (sdkRoot == null) { |
| return false; |
| } |
| if (checkAccepted(sdkRoot)) { |
| return true; |
| } |
| File licenseDir = new File(sdkRoot, LICENSE_DIR); |
| if (licenseDir.exists() && !licenseDir.isDirectory()) { |
| return false; |
| } |
| if (!licenseDir.exists()) { |
| licenseDir.mkdir(); |
| } |
| File licenseFile = new File(licenseDir, mLicenseRef == null ? mLicenseHash : mLicenseRef); |
| try { |
| Files.write(mLicenseHash, licenseFile, Charsets.UTF_8); |
| } |
| catch (IOException e) { |
| return false; |
| } |
| return true; |
| } |
| } |
| |