Example usage for org.springframework.core.io.support PropertySourceFactory createPropertySource

Introduction

In this page you can find the example usage for org.springframework.core.io.support PropertySourceFactory createPropertySource.

Prototype

PropertySource<?> createPropertySource(@Nullable String name, EncodedResource resource) throws IOException;

Source Link

Document

Create a PropertySource that wraps the given resource.

Usage

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

/**
 * Process the given <code>@PropertySource</code> annotation metadata.
 * @param propertySource metadata for the <code>@PropertySource</code> annotation found
 * @throws IOException if loading a property source failed
 *//*www  .  j av a2 s  . c om*/
private void processPropertySource(AnnotationAttributes propertySource) throws IOException {
    String name = propertySource.getString("name");
    if (!StringUtils.hasLength(name)) {
        name = null;
    }
    String encoding = propertySource.getString("encoding");
    if (!StringUtils.hasLength(encoding)) {
        encoding = null;
    }
    String[] locations = propertySource.getStringArray("value");
    Assert.isTrue(locations.length > 0, "At least one @PropertySource(value) location is required");
    boolean ignoreResourceNotFound = propertySource.getBoolean("ignoreResourceNotFound");

    Class<? extends PropertySourceFactory> factoryClass = propertySource.getClass("factory");
    PropertySourceFactory factory = (factoryClass == PropertySourceFactory.class
            ? DEFAULT_PROPERTY_SOURCE_FACTORY
            : BeanUtils.instantiateClass(factoryClass));

    for (String location : locations) {
        try {
            String resolvedLocation = this.environment.resolveRequiredPlaceholders(location);
            Resource resource = this.resourceLoader.getResource(resolvedLocation);
            addPropertySource(factory.createPropertySource(name, new EncodedResource(resource, encoding)));
        } catch (IllegalArgumentException | FileNotFoundException | UnknownHostException ex) {
            // Placeholders not resolvable or resource not found when trying to open it
            if (ignoreResourceNotFound) {
                if (logger.isInfoEnabled()) {
                    logger.info("Properties location [" + location + "] not resolvable: " + ex.getMessage());
                }
            } else {
                throw ex;
            }
        }
    }
}

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