Example usage for org.springframework.context.annotation ConditionContext getResourceLoader

Introduction

In this page you can find the example usage for org.springframework.context.annotation ConditionContext getResourceLoader.

Prototype

ResourceLoader getResourceLoader();

Source Link

Document

Return the ResourceLoader currently being used.

Usage

From source file:com.github.mrstampy.gameboot.util.resource.AbstractFallbackResourceCondition.java

@Override
public boolean matches(ConditionContext context, AnnotatedTypeMetadata metadata) {
    ResourceLoader loader = context.getResourceLoader();

    if (hasOverride(loader))
        return false;

    boolean b = loader.getResource(fallback).exists();

    if (b)// w  ww  .  j a  va 2 s. c  o  m
        ResourceLogger.log(fallback);

    return b;
}

---

From source file:lodsve.core.condition.OnWebApplicationCondition.java

private ConditionOutcome isWebApplication(ConditionContext context, AnnotatedTypeMetadata metadata) {

    if (!ClassUtils.isPresent(WEB_CONTEXT_CLASS, context.getClassLoader())) {
        return ConditionOutcome.noMatch("web application classes not found");
    }/*from  w  ww  . jav  a 2  s . c om*/

    if (context.getBeanFactory() != null) {
        String[] scopes = context.getBeanFactory().getRegisteredScopeNames();
        if (ObjectUtils.containsElement(scopes, "session")) {
            return ConditionOutcome.match("found web application 'session' scope");
        }
    }

    if (context.getEnvironment() instanceof StandardServletEnvironment) {
        return ConditionOutcome.match("found web application StandardServletEnvironment");
    }

    if (context.getResourceLoader() instanceof WebApplicationContext) {
        return ConditionOutcome.match("found web application WebApplicationContext");
    }

    return ConditionOutcome.noMatch("not a web application");
}

---

From source file:org.springframework.boot.autoconfigure.condition.OnResourceCondition.java

@Override
public boolean matches(ConditionContext context, AnnotatedTypeMetadata metadata) {

    String checking = ConditionLogUtils.getPrefix(logger, metadata);

    MultiValueMap<String, Object> attributes = metadata
            .getAllAnnotationAttributes(ConditionalOnResource.class.getName(), true);
    ResourceLoader loader = context.getResourceLoader() == null ? this.defaultResourceLoader
            : context.getResourceLoader();
    if (attributes != null) {
        List<String> locations = new ArrayList<String>();
        collectValues(locations, attributes.get("resources"));
        Assert.isTrue(locations.size() > 0,
                "@ConditionalOnResource annotations must specify at least one resource location");
        for (String location : locations) {
            if (logger.isDebugEnabled()) {
                logger.debug(checking + "Checking for resource: " + location);
            }// w  ww. ja v a  2 s. c om
            if (!loader.getResource(location).exists()) {
                if (logger.isDebugEnabled()) {
                    logger.debug(checking + "Resource not found: " + location
                            + " (search terminated with matches=false)");
                }
                return false;
            }
        }
    }
    if (logger.isDebugEnabled()) {
        logger.debug(checking + "Match result is: true");
    }
    return true;
}

---