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+/*
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+ * Copyright (c) 2006-2014 DMDirc Developers
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+ *
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+ * Permission is hereby granted, free of charge, to any person obtaining a copy
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+ * of this software and associated documentation files (the "Software"), to deal
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+ * in the Software without restriction, including without limitation the rights
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+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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+ * copies of the Software, and to permit persons to whom the Software is
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+ * furnished to do so, subject to the following conditions:
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+ *
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+ * The above copyright notice and this permission notice shall be included in
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+ * all copies or substantial portions of the Software.
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+ *
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+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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+ * SOFTWARE.
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+ */
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+
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+package com.dmdirc.commandparser.aliases;
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+
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+import com.dmdirc.interfaces.Migrator;
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+import com.dmdirc.logger.ErrorLevel;
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+import com.dmdirc.logger.Logger;
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+
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+import java.io.IOException;
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+import java.nio.file.Files;
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+import java.nio.file.Path;
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+
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+/**
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+ * Migrator that installs the default aliases file if the user does not currently have one.
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+ */
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+public class DefaultAliasInstaller implements Migrator {
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+
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+ private final Path target;
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+
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+ public DefaultAliasInstaller(final Path target) {
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+ this.target = target;
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+ }
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+
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+ @Override
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+ public boolean needsMigration() {
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+ return !Files.exists(target);
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+ }
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+
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+ @Override
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+ public void migrate() {
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+ try {
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+ Files.copy(getClass().getResourceAsStream("defaults.yml"), target);
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+ } catch (IOException ex) {
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+ Logger.appError(ErrorLevel.MEDIUM, "Unable to extract default aliases", ex);
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+ }
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+ }
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+
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+}
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