Fetch the repository succeeded.
This action will force synchronization from huifer/Code-Analysis, which will overwrite any changes that you have made since you forked the repository, and can not be recovered!!!
Synchronous operation will process in the background and will refresh the page when finishing processing. Please be patient.
Author: HuiFer
源码阅读仓库: SourceHot-spring
全路径: org.springframework.core.env.CompositePropertySource
/**
* set 集合
*/
private final Set<PropertySource<?>> propertySources = new LinkedHashSet<>();
/**
* Create a new {@code CompositePropertySource}.
* @param name the name of the property source
*/
public CompositePropertySource(String name) {
super(name);
}
@Override
@Nullable
public Object getProperty(String name) {
// 循环
for (PropertySource<?> propertySource : this.propertySources) {
// 获取存储内容
Object candidate = propertySource.getProperty(name);
if (candidate != null) {
return candidate;
}
}
return null;
}
@Override
public boolean containsProperty(String name) {
for (PropertySource<?> propertySource : this.propertySources) {
// 是否存在name
if (propertySource.containsProperty(name)) {
return true;
}
}
return false;
}
@Override
public String[] getPropertyNames() {
Set<String> names = new LinkedHashSet<>();
for (PropertySource<?> propertySource : this.propertySources) {
// 类型不同抛出异常
if (!(propertySource instanceof EnumerablePropertySource)) {
throw new IllegalStateException(
"Failed to enumerate property names due to non-enumerable property source: " + propertySource);
}
// 批量添加
names.addAll(Arrays.asList(((EnumerablePropertySource<?>) propertySource).getPropertyNames()));
}
// 转换成 array
return StringUtils.toStringArray(names);
}
/**
* Add the given {@link PropertySource} to the end of the chain.
* @param propertySource the PropertySource to add
*/
public void addPropertySource(PropertySource<?> propertySource) {
this.propertySources.add(propertySource);
}
/**
* Add the given {@link PropertySource} to the start of the chain.
* @param propertySource the PropertySource to add
* @since 4.1
*/
public void addFirstPropertySource(PropertySource<?> propertySource) {
// 头插
List<PropertySource<?>> existing = new ArrayList<>(this.propertySources);
this.propertySources.clear();
this.propertySources.add(propertySource);
this.propertySources.addAll(existing);
}
/**
* Return all property sources that this composite source holds.
* @since 4.1.1
*/
public Collection<PropertySource<?>> getPropertySources() {
return this.propertySources;
}
@Override
public String toString() {
return getClass().getSimpleName() + " {name='" + this.name + "', propertySources=" + this.propertySources + "}";
}
}
</details>
此处可能存在不合适展示的内容,页面不予展示。您可通过相关编辑功能自查并修改。
如您确认内容无涉及 不当用语 / 纯广告导流 / 暴力 / 低俗色情 / 侵权 / 盗版 / 虚假 / 无价值内容或违法国家有关法律法规的内容,可点击提交进行申诉,我们将尽快为您处理。