Example usage for org.springframework.core.env MutablePropertySources addBefore

Introduction

In this page you can find the example usage for org.springframework.core.env MutablePropertySources addBefore.

Prototype

public void addBefore(String relativePropertySourceName, PropertySource<?> propertySource) 

Source Link

Document

Add the given property source object with precedence immediately higher than the named relative property source.

Usage

From source file:com.cloudera.director.aws.common.PropertyResolvers.java

/**
 * Creates a property resolver that pulls from multiple property resource
 * locations. The first "built-in" location must be successfully loaded, but
 * all other "custom" locations must load only if {code}allowMissing{code} is
 * false./*from  w  w w .  j av  a  2s  .  co m*/
 *
 * @param allowMissing            true to allow custom resource locations to fail to load
 * @param builtInResourceLocation lowest precedence, required resource
 *                                location for properties
 * @param customResourceLocations additional resource locations for
 *                                properties, in increasing order of precedence
 * @return new property resolver
 * @throws IOException          if the built-in resource location could not be loaded,
 *                              or if {code}allowMissing{code} is false and any custom resource location
 *                              fails to load
 * @throws NullPointerException if any resource location is null
 */
public static PropertyResolver newMultiResourcePropertyResolver(boolean allowMissing,
        String builtInResourceLocation, String... customResourceLocations) throws IOException {
    MutablePropertySources sources = new MutablePropertySources();
    checkNotNull(builtInResourceLocation, "builtInResourceLocation is null");
    sources.addLast(buildPropertySource(BUILT_IN_NAME, builtInResourceLocation, false));
    String lastname = BUILT_IN_NAME;
    int customCtr = 1;
    for (String loc : customResourceLocations) {
        checkNotNull(loc, "customResourceLocations[" + (customCtr - 1) + "] is null");
        String thisname = CUSTOM_NAME_PREFIX + customCtr++;
        PropertySource source = buildPropertySource(thisname, loc, allowMissing);
        if (source != null) {
            sources.addBefore(lastname, source);
            lastname = thisname;
        }
    }

    return new PropertySourcesPropertyResolver(sources);
}

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From source file:org.springframework.boot.env.SpringApplicationJsonEnvironmentPostProcessor.java

private void addJsonPropertySource(ConfigurableEnvironment environment, PropertySource<?> source) {
    MutablePropertySources sources = environment.getPropertySources();
    String name = findPropertySource(sources);
    if (sources.contains(name)) {
        sources.addBefore(name, source);
    } else {//  www  .  j ava  2 s.  co m
        sources.addFirst(source);
    }
}

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From source file:org.springframework.context.annotation.ConfigurationClassParser.java

private void addPropertySource(PropertySource<?> propertySource) {
    String name = propertySource.getName();
    MutablePropertySources propertySources = ((ConfigurableEnvironment) this.environment).getPropertySources();

    if (this.propertySourceNames.contains(name)) {
        // We've already added a version, we need to extend it
        PropertySource<?> existing = propertySources.get(name);
        if (existing != null) {
            PropertySource<?> newSource = (propertySource instanceof ResourcePropertySource
                    ? ((ResourcePropertySource) propertySource).withResourceName()
                    : propertySource);/*from  ww  w .j  a va2 s . c o  m*/
            if (existing instanceof CompositePropertySource) {
                ((CompositePropertySource) existing).addFirstPropertySource(newSource);
            } else {
                if (existing instanceof ResourcePropertySource) {
                    existing = ((ResourcePropertySource) existing).withResourceName();
                }
                CompositePropertySource composite = new CompositePropertySource(name);
                composite.addPropertySource(newSource);
                composite.addPropertySource(existing);
                propertySources.replace(name, composite);
            }
            return;
        }
    }

    if (this.propertySourceNames.isEmpty()) {
        propertySources.addLast(propertySource);
    } else {
        String firstProcessed = this.propertySourceNames.get(this.propertySourceNames.size() - 1);
        propertySources.addBefore(firstProcessed, propertySource);
    }
    this.propertySourceNames.add(name);
}

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