com.android.tools.idea.actions.license.LicenseTextCollector.java Source code

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Here is the source code for com.android.tools.idea.actions.license.LicenseTextCollector.java

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/*
 * Copyright (C) 2017 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.tools.idea.actions.license;

import com.google.common.base.Charsets;
import com.google.common.io.Files;
import org.jetbrains.annotations.NotNull;

import java.io.File;
import java.io.IOException;
import java.nio.file.Path;
import java.util.List;
import java.util.concurrent.CompletableFuture;

public class LicenseTextCollector {
    private final Path myHome;
    private final List<Path> myLicenses;

    public LicenseTextCollector(@NotNull Path ideHome, @NotNull List<Path> licenses) {
        myHome = ideHome;
        myLicenses = licenses;
    }

    @NotNull
    public CompletableFuture<String> getLicenseText() {
        return CompletableFuture.supplyAsync(this::getLicenseTextSync);
    }

    private String getLicenseTextSync() {
        StringBuilder sb = new StringBuilder(10 * 1024);

        for (Path license : myLicenses) {
            sb.append("------------ License file: ");
            sb.append(myHome.relativize(license).toString());
            sb.append("------------");
            sb.append("<br><br>");
            sb.append(getLicenseText(license.toFile()));
            sb.append("<br><br>");
        }

        return sb.toString();
    }

    @NotNull
    private static String getLicenseText(@NotNull File f) {
        try {
            return Files.toString(f, Charsets.UTF_8).replaceAll("\\<.*?\\>", "").replace("\n", "<br>");
        } catch (IOException e) {
            return "";
        }
    }
}