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Send all RoboZonky-specific properties to a file (#102)
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110 changes: 110 additions & 0 deletions
110
robozonky-api/src/main/java/com/github/triceo/robozonky/internal/api/Settings.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,110 @@ | ||
| /* | ||
| * Copyright 2017 Lukáš Petrovický | ||
| * | ||
| * 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. | ||
| */ | ||
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| package com.github.triceo.robozonky.internal.api; | ||
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| import java.io.File; | ||
| import java.io.IOException; | ||
| import java.io.Reader; | ||
| import java.nio.file.Files; | ||
| import java.util.Properties; | ||
| import java.util.function.Function; | ||
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| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
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| /** | ||
| * These are RoboZonky settings read from a property file at system startup. The location of this file will be looked | ||
| * up in a property {@link #FILE_LOCATION_PROPERTY}. Defaults for all settings looked up through this class come from | ||
| * {@link System#getProperties()}. | ||
| */ | ||
| public enum Settings { | ||
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| INSTANCE; // cheap thread-safe singleton | ||
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| public static final String FILE_LOCATION_PROPERTY = "robozonky.properties.file"; | ||
| private final Logger LOGGER = LoggerFactory.getLogger(Settings.class); | ||
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| private Properties getProperties() { | ||
| final String filename = System.getProperty(Settings.FILE_LOCATION_PROPERTY); | ||
| if (filename == null) { | ||
| return new Properties(); | ||
| } | ||
| final File f = new File(filename); | ||
| if (!f.exists()) { | ||
| throw new IllegalStateException("Properties file does not exist: " + f.getAbsolutePath()); | ||
| } | ||
| try (final Reader r = Files.newBufferedReader(f.toPath(), Defaults.CHARSET)) { | ||
| final Properties p = new Properties(); | ||
| p.load(r); | ||
| LOGGER.debug("Loaded from '{}'.", f.getAbsolutePath()); | ||
| return p; | ||
| } catch (final IOException ex) { | ||
| throw new IllegalStateException("Cannot read properties.", ex); | ||
| } | ||
| } | ||
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| private final Properties properties = this.getProperties(); | ||
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| public <T> T get(final String key, final Function<String, T> adapter) { | ||
| final String val = properties.containsKey(key) ? properties.getProperty(key) : System.getProperty(key); | ||
| return adapter.apply(val); | ||
| } | ||
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| public String get(final String key, final String defaultValue) { | ||
| return get(key, value -> value == null ? defaultValue : value); | ||
| } | ||
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| public int get(final String key, final int defaultValue) { | ||
| return get(key, value -> { | ||
| try { | ||
| return Integer.parseInt(value); | ||
| } catch (final NumberFormatException ex) { | ||
| return defaultValue; | ||
| } | ||
| }); | ||
| } | ||
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| public boolean get(final String key) { | ||
| return get(key, Boolean::parseBoolean); | ||
| } | ||
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| /** | ||
| * When set to true, this is essentially a controlled memory leak. Generally only useful for testing. | ||
| * @return | ||
| */ | ||
| public boolean isDebugEventStorageEnabled() { | ||
| return get("robozonky.debug.enable_event_storage"); | ||
| } | ||
|
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| public int getTokenRefreshBeforeExpirationInSeconds() { | ||
| return get("robozonky.default.token_refresh_seconds", 60); | ||
| } | ||
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| public int getRemoteResourceRefreshIntervalInMinutes() { | ||
| return get("robozonky.default.resource_refresh_minutes", 5); | ||
| } | ||
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| public int getCaptchaDelayInSeconds() { | ||
| return get("robozonky.default.captcha_protection_seconds", 120); | ||
| } | ||
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| public int getDefaultDryRunBalance() { | ||
| return get("robozonky.default.dry_run_balance", -1); | ||
| } | ||
|
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|
|
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| } |
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49 changes: 49 additions & 0 deletions
49
robozonky-api/src/test/java/com/github/triceo/robozonky/internal/api/SettingsTest.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,49 @@ | ||
| /* | ||
| * Copyright 2017 Lukáš Petrovický | ||
| * | ||
| * 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. | ||
| */ | ||
|
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| package com.github.triceo.robozonky.internal.api; | ||
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| import java.util.UUID; | ||
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| import org.assertj.core.api.SoftAssertions; | ||
| import org.junit.Rule; | ||
| import org.junit.Test; | ||
| import org.junit.contrib.java.lang.system.RestoreSystemProperties; | ||
|
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| /** | ||
| * Created by lpetrovi on 14.4.17. | ||
| */ | ||
| public class SettingsTest { | ||
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| @Rule | ||
| public final RestoreSystemProperties propertiesRestorer = new RestoreSystemProperties(); | ||
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| @Test | ||
| public void properties() { | ||
| SoftAssertions.assertSoftly(softly -> { | ||
| softly.assertThat(Settings.INSTANCE.get("user.dir", "")).isNotEqualTo(""); | ||
| softly.assertThat(Settings.INSTANCE.get(UUID.randomUUID().toString(), "")) | ||
| .isEqualTo(""); | ||
| softly.assertThat(Settings.INSTANCE.isDebugEventStorageEnabled()).isFalse(); | ||
| softly.assertThat(Settings.INSTANCE.getTokenRefreshBeforeExpirationInSeconds()).isEqualTo(60); | ||
| softly.assertThat(Settings.INSTANCE.getRemoteResourceRefreshIntervalInMinutes()).isEqualTo(5); | ||
| softly.assertThat(Settings.INSTANCE.getCaptchaDelayInSeconds()).isEqualTo(120); | ||
| softly.assertThat(Settings.INSTANCE.getDefaultDryRunBalance()).isEqualTo(-1); | ||
| }); | ||
| } | ||
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| } |
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