Ignore unresolvable nested placeholders

The NamePatternEnvironmentFilter used to throw an exception if
placeholders in property values could not be resolved.

Fixes gh-8510
This commit is contained in:
Madhura Bhave 2017-03-06 16:06:42 -08:00
parent f5aeac3658
commit 67068fc83d
2 changed files with 20 additions and 1 deletions

View File

@ -22,8 +22,10 @@ import org.springframework.context.EnvironmentAware;
import org.springframework.core.env.ConfigurableEnvironment;
import org.springframework.core.env.EnumerablePropertySource;
import org.springframework.core.env.Environment;
import org.springframework.core.env.PropertyResolver;
import org.springframework.core.env.PropertySource;
import org.springframework.core.env.PropertySources;
import org.springframework.core.env.PropertySourcesPropertyResolver;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.web.bind.annotation.GetMapping;
@ -95,7 +97,14 @@ public class EnvironmentMvcEndpoint extends EndpointMvcAdapter
@Override
protected Object getOptionalValue(Environment source, String name) {
Object result = source.getProperty(name);
PropertyResolver resolver = source;
if (source instanceof ConfigurableEnvironment) {
resolver = new PropertySourcesPropertyResolver(
((ConfigurableEnvironment) source).getPropertySources());
((PropertySourcesPropertyResolver) resolver)
.setIgnoreUnresolvableNestedPlaceholders(true);
}
Object result = resolver.getProperty(name);
if (result != null) {
result = ((EnvironmentEndpoint) getDelegate()).sanitize(name, result);
}

View File

@ -102,6 +102,16 @@ public class EnvironmentMvcEndpointTests {
.andExpect(content().string(containsString("\"fool\":\"baz\"")));
}
@Test
public void nestedPathWhenPlaceholderCannotBeResolvedShouldReturnUnresolvedProperty() throws Exception {
Map<String, Object> map = new HashMap<String, Object>();
map.put("my.foo", "${my.bar}");
((ConfigurableEnvironment) this.context.getEnvironment()).getPropertySources()
.addFirst(new MapPropertySource("unresolved-placeholder", map));
this.mvc.perform(get("/env/my.*")).andExpect(status().isOk())
.andExpect(content().string(containsString("\"my.foo\":\"${my.bar}\"")));
}
@Configuration
@Import({ JacksonAutoConfiguration.class,
HttpMessageConvertersAutoConfiguration.class, WebMvcAutoConfiguration.class,