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Changes for release 2.5.0 are merged from develop into master branch
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| Original file line number | Diff line number | Diff line change |
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| @@ -1,5 +1,6 @@ | ||
| language: java | ||
| dist: precise | ||
| jdk: | ||
| - oraclejdk7 | ||
| script: mvn install | ||
| sudo: false | ||
| sudo: false |
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119 changes: 119 additions & 0 deletions
119
modules/basic/src/main/java/io/oasp/module/basic/common/api/config/ConfigProperties.java
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| @@ -0,0 +1,119 @@ | ||
| package io.oasp.module.basic.common.api.config; | ||
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| import java.util.Map; | ||
| import java.util.Set; | ||
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| /** | ||
| * Simple abstraction interface for generic access to configuration properties (from spring-boot | ||
| * {@code application.properties}). | ||
| * | ||
| * @since 3.0.0 | ||
| */ | ||
| public interface ConfigProperties { | ||
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| /** The separator charactor '.' for hierarchical keys such as "spring.datasource.url". */ | ||
| char KEY_SEPARATOR = '.'; | ||
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| /** An immutable instance of {@link ConfigProperties} that is always {@link #isEmpty() empty} */ | ||
| ConfigProperties EMPTY = new EmptyConfigProperties(); | ||
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| /** | ||
| * @return the {@link Set} of the {@link #getChild(String) direct child keys} available in the | ||
| * {@link ConfigProperties}-node. | ||
| */ | ||
| Set<String> getChildKeys(); | ||
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| /** | ||
| * @param key the {@link #getChildKeys() child key} of the requested configuration value. | ||
| * @return the child {@link ConfigProperties}. Will be an {@link #isEmpty() empty} child if undefined. | ||
| */ | ||
| ConfigProperties getChild(String key); | ||
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| /** | ||
| * Recursive variant of {@link #getChild(String)} such that | ||
| * <code>{@link ConfigProperties config}.{@link #getChild(String...) getChild}(key1, ..., keyN)</code> is the same as | ||
| * <code>{@link ConfigProperties config}.{@link #getChild(String) getChild}(key1)...{@link #getChild(String) getChild}(keyN)</code>. | ||
| * | ||
| * @param keys the keys to traverse recursively. | ||
| * @return the descendant {@link #getChild(String) child} reached from recursively traversing the given {@code keys}. | ||
| */ | ||
| ConfigProperties getChild(String... keys); | ||
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| /** | ||
| * Shortcut for {@link #getChild(String) getChild(key)}.{@link #getValue()}. | ||
| * | ||
| * @param key the {@link #getChild(String) key of the child} | ||
| * @return the value of this {@link ConfigProperties}-node. May be {@code null}. | ||
| */ | ||
| String getChildValue(String key); | ||
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| /** | ||
| * Shortcut for {@link #getChild(String...) getChild(keys)}.{@link #getValue()}. | ||
| * | ||
| * @param keys the keys to traverse recursively. | ||
| * @return the {@link #getValue() value} of the {@link #getChild(String...) descendant child} traversed by | ||
| * {@code keys}. May be {@code null}. | ||
| */ | ||
| String getChildValue(String... keys); | ||
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| /** | ||
| * @return the value of this {@link ConfigProperties}-node. May be {@code null}. | ||
| */ | ||
| String getValue(); | ||
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| /** | ||
| * @param <T> the requested {@code type} | ||
| * @param type the {@link Class} reflecting the requested result type. | ||
| * @return the value of this {@link ConfigProperties}-node converted to the given {@code type}. Will be {@code null} | ||
| * if undefined. | ||
| */ | ||
| <T> T getValue(Class<T> type); | ||
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| /** | ||
| * @param <T> the requested {@code type} | ||
| * @param type the {@link Class} reflecting the requested result type. | ||
| * @param defaultValue the value returned as default if the actual {@link #getValue() value} is undefined. | ||
| * @return the value of this {@link ConfigProperties}-node converted to the given {@code type}. Will be | ||
| * {@code defaultValue} if undefined. | ||
| */ | ||
| <T> T getValue(Class<T> type, T defaultValue); | ||
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| /** | ||
| * @return the {@link #getValue(Class, Object)} as {@code boolean} with {@code false} as default. | ||
| */ | ||
| boolean getValueAsBoolean(); | ||
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| /** | ||
| * @return {@code true} if this is an empty {@link ConfigProperties}-node that neither has a {@link #getValue() value} | ||
| * nor {@link #getChildKeys() any} {@link #getChild(String) child}. | ||
| */ | ||
| boolean isEmpty(); | ||
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| /** | ||
| * @return this {@link ConfigProperties} converted to a {@link ConfigProperties#toFlatMap() flat} {@link Map}. | ||
| */ | ||
| Map<String, String> toFlatMap(); | ||
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| /** | ||
| * @param rootKey the root key used as prefix for the {@link java.util.Map.Entry#getKey() keys} separated with a dot | ||
| * if not {@link String#isEmpty() empty}. Typically the empty {@link String}. | ||
| * @return this {@link ConfigProperties} converted to a {@link ConfigProperties#toFlatMap() flat} {@link Map}. | ||
| */ | ||
| Map<String, String> toFlatMap(String rootKey); | ||
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| /** | ||
| * @return this {@link ConfigProperties} converted to a {@link ConfigProperties#toHierarchicalMap() hierarchical} | ||
| * {@link Map}. | ||
| */ | ||
| Map<String, Object> toHierarchicalMap(); | ||
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| /** | ||
| * @param parent the parent {@link ConfigProperties} to extend. | ||
| * @return a new instance of {@link ConfigProperties} with all {@link #getChild(String) children} and | ||
| * {@link #getValue() value}(s) from this {@link ConfigProperties}-tree and all {@link #getChild(String) | ||
| * children} and {@link #getValue() value}(s) inherited from the given {@code parent} | ||
| * {@link ConfigProperties}-tree if they are undefined in this tree. | ||
| */ | ||
| MutableConfigProperties inherit(ConfigProperties parent); | ||
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| } |
72 changes: 72 additions & 0 deletions
72
modules/basic/src/main/java/io/oasp/module/basic/common/api/config/ConfigValueUtil.java
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,72 @@ | ||
| package io.oasp.module.basic.common.api.config; | ||
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| import java.math.BigDecimal; | ||
| import java.math.BigInteger; | ||
| import java.util.Currency; | ||
|
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| /** | ||
| * Utility that helps to deal with configuration values. | ||
| */ | ||
| public final class ConfigValueUtil { | ||
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| private ConfigValueUtil() { | ||
| } | ||
|
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| /** | ||
| * @param <T> the generic {@code type}. | ||
| * @param object the {@link Object} to convert. Will not be {@code null}. | ||
| * @param type the {@link Class} reflecting the requested type. | ||
| * @return the given {@link Object} converted to the given {@code type}. | ||
| */ | ||
| @SuppressWarnings({ "rawtypes", "unchecked" }) | ||
| public static <T> T convertValue(Object object, Class<T> type) { | ||
|
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| try { | ||
| Object result; | ||
| if (type.isInstance(object)) { | ||
| result = object; | ||
| } else if (type.isEnum()) { | ||
| result = Enum.valueOf((Class<? extends Enum>) type, object.toString()); | ||
| } else if (type.isAssignableFrom(String.class)) { | ||
| result = object.toString(); | ||
| } else if ((type == boolean.class) || (type == Boolean.class)) { | ||
| result = Boolean.valueOf(object.toString()); | ||
| } else if ((type == int.class) || (type == Integer.class)) { | ||
| result = Integer.valueOf(object.toString()); | ||
| } else if ((type == long.class) || (type == Long.class)) { | ||
| result = Long.valueOf(object.toString()); | ||
| } else if ((type == double.class) || (type == Double.class)) { | ||
| result = Double.valueOf(object.toString()); | ||
| } else if (type == Class.class) { | ||
| result = Class.forName(object.toString()); | ||
| } else if ((type == float.class) || (type == Float.class)) { | ||
| result = Float.valueOf(object.toString()); | ||
| } else if ((type == short.class) || (type == Short.class)) { | ||
| result = Short.valueOf(object.toString()); | ||
| } else if ((type == byte.class) || (type == Byte.class)) { | ||
| result = Byte.valueOf(object.toString()); | ||
| } else if (type == BigDecimal.class) { | ||
| result = new BigDecimal(object.toString()); | ||
| } else if (type == BigInteger.class) { | ||
| result = new BigInteger(object.toString()); | ||
| } else if (type == Number.class) { | ||
| result = Double.parseDouble(object.toString()); | ||
| } else if ((type == Character.class) || ((type == char.class))) { | ||
| String value = object.toString(); | ||
| if (value.length() == 1) { | ||
| result = Character.valueOf(value.charAt(0)); | ||
| } else { | ||
| throw new IllegalArgumentException(value); | ||
| } | ||
| } else if (type == Currency.class) { | ||
| result = Currency.getInstance(object.toString()); | ||
| } else { | ||
| throw new IllegalArgumentException(object.toString()); | ||
| } | ||
| return (T) result; | ||
| } catch (NumberFormatException | ClassNotFoundException e) { | ||
| throw new IllegalArgumentException(object.toString(), e); | ||
| } | ||
| } | ||
|
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| } |
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