Example usage for org.springframework.util StringUtils hasLength

List of usage examples for org.springframework.util StringUtils hasLength

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Introduction

In this page you can find the example usage for org.springframework.util StringUtils hasLength.

Prototype

public static boolean hasLength(@Nullable String str)

Source Link

Document

Check that the given String is neither null nor of length 0.

Usage

From source file:org.springframework.aop.interceptor.AsyncExecutionAspectSupport.java

/**
 * Determine the specific executor to use when executing the given method.
 * Should preferably return an {@link AsyncListenableTaskExecutor} implementation.
 * @return the executor to use (or {@code null}, but just if no default executor is available)
 *///from   w w w .  j a  va 2  s. c  o m
@Nullable
protected AsyncTaskExecutor determineAsyncExecutor(Method method) {
    AsyncTaskExecutor executor = this.executors.get(method);
    if (executor == null) {
        Executor targetExecutor;
        String qualifier = getExecutorQualifier(method);
        if (StringUtils.hasLength(qualifier)) {
            targetExecutor = findQualifiedExecutor(this.beanFactory, qualifier);
        } else {
            targetExecutor = this.defaultExecutor;
            if (targetExecutor == null) {
                synchronized (this.executors) {
                    if (this.defaultExecutor == null) {
                        this.defaultExecutor = getDefaultExecutor(this.beanFactory);
                    }
                    targetExecutor = this.defaultExecutor;
                }
            }
        }
        if (targetExecutor == null) {
            return null;
        }
        executor = (targetExecutor instanceof AsyncListenableTaskExecutor
                ? (AsyncListenableTaskExecutor) targetExecutor
                : new TaskExecutorAdapter(targetExecutor));
        this.executors.put(method, executor);
    }
    return executor;
}

From source file:org.springframework.beans.AbstractPropertyAccessorTests.java

@Test
public void setMapPropertyWithTypeConversion() {
    IndexedTestBean target = new IndexedTestBean();
    AbstractPropertyAccessor accessor = createAccessor(target);
    accessor.registerCustomEditor(TestBean.class, new PropertyEditorSupport() {
        @Override/*  w  w  w .j  a  va2 s  .  c o m*/
        public void setAsText(String text) throws IllegalArgumentException {
            if (!StringUtils.hasLength(text)) {
                throw new IllegalArgumentException();
            }
            setValue(new TestBean(text));
        }
    });

    MutablePropertyValues pvs = new MutablePropertyValues();
    pvs.add("map[key1]", "rod");
    pvs.add("map[key2]", "rob");
    accessor.setPropertyValues(pvs);
    assertEquals("rod", ((TestBean) target.getMap().get("key1")).getName());
    assertEquals("rob", ((TestBean) target.getMap().get("key2")).getName());

    pvs = new MutablePropertyValues();
    pvs.add("map[key1]", "rod");
    pvs.add("map[key2]", "");
    try {
        accessor.setPropertyValues(pvs);
        fail("Should have thrown TypeMismatchException");
    } catch (PropertyBatchUpdateException ex) {
        PropertyAccessException pae = ex.getPropertyAccessException("map[key2]");
        assertTrue(pae instanceof TypeMismatchException);
    }
}

From source file:org.springframework.beans.AbstractPropertyAccessorTests.java

@Test
public void setMapPropertyWithUnmodifiableMap() {
    IndexedTestBean target = new IndexedTestBean();
    AbstractPropertyAccessor accessor = createAccessor(target);
    accessor.registerCustomEditor(TestBean.class, "map", new PropertyEditorSupport() {
        @Override/* w  w  w. j a v a 2 s . com*/
        public void setAsText(String text) throws IllegalArgumentException {
            if (!StringUtils.hasLength(text)) {
                throw new IllegalArgumentException();
            }
            setValue(new TestBean(text));
        }
    });

    Map<Integer, String> inputMap = new HashMap<>();
    inputMap.put(1, "rod");
    inputMap.put(2, "rob");
    MutablePropertyValues pvs = new MutablePropertyValues();
    pvs.add("map", Collections.unmodifiableMap(inputMap));
    accessor.setPropertyValues(pvs);
    assertEquals("rod", ((TestBean) target.getMap().get(1)).getName());
    assertEquals("rob", ((TestBean) target.getMap().get(2)).getName());
}

From source file:org.springframework.beans.AbstractPropertyAccessorTests.java

@Test
public void setMapPropertyWithCustomUnmodifiableMap() {
    IndexedTestBean target = new IndexedTestBean();
    AbstractPropertyAccessor accessor = createAccessor(target);
    accessor.registerCustomEditor(TestBean.class, "map", new PropertyEditorSupport() {
        @Override/*  ww w .  j  a  va2 s.com*/
        public void setAsText(String text) throws IllegalArgumentException {
            if (!StringUtils.hasLength(text)) {
                throw new IllegalArgumentException();
            }
            setValue(new TestBean(text));
        }
    });

    Map<Object, Object> inputMap = new HashMap<>();
    inputMap.put(1, "rod");
    inputMap.put(2, "rob");
    MutablePropertyValues pvs = new MutablePropertyValues();
    pvs.add("map", new ReadOnlyMap<>(inputMap));
    accessor.setPropertyValues(pvs);
    assertEquals("rod", ((TestBean) target.getMap().get(1)).getName());
    assertEquals("rob", ((TestBean) target.getMap().get(2)).getName());
}

From source file:org.springframework.beans.BeanWrapperTests.java

@Test
public void testMapAccessWithTypeConversion() {
    IndexedTestBean bean = new IndexedTestBean();
    BeanWrapper bw = new BeanWrapperImpl(bean);
    bw.registerCustomEditor(TestBean.class, new PropertyEditorSupport() {
        @Override/* w ww .  java 2s.c om*/
        public void setAsText(String text) throws IllegalArgumentException {
            if (!StringUtils.hasLength(text)) {
                throw new IllegalArgumentException();
            }
            setValue(new TestBean(text));
        }
    });

    MutablePropertyValues pvs = new MutablePropertyValues();
    pvs.add("map[key1]", "rod");
    pvs.add("map[key2]", "rob");
    bw.setPropertyValues(pvs);
    assertEquals("rod", ((TestBean) bean.getMap().get("key1")).getName());
    assertEquals("rob", ((TestBean) bean.getMap().get("key2")).getName());

    pvs = new MutablePropertyValues();
    pvs.add("map[key1]", "rod");
    pvs.add("map[key2]", "");
    try {
        bw.setPropertyValues(pvs);
        fail("Should have thrown TypeMismatchException");
    } catch (PropertyBatchUpdateException ex) {
        PropertyAccessException pae = ex.getPropertyAccessException("map[key2]");
        assertTrue(pae instanceof TypeMismatchException);
    }
}

From source file:org.springframework.beans.BeanWrapperTests.java

@Test
public void testMapAccessWithUnmodifiableMap() {
    IndexedTestBean bean = new IndexedTestBean();
    BeanWrapper bw = new BeanWrapperImpl(bean);
    bw.registerCustomEditor(TestBean.class, "map", new PropertyEditorSupport() {
        @Override/*from   w  ww  . j av  a 2 s .  com*/
        public void setAsText(String text) throws IllegalArgumentException {
            if (!StringUtils.hasLength(text)) {
                throw new IllegalArgumentException();
            }
            setValue(new TestBean(text));
        }
    });

    Map<Integer, String> inputMap = new HashMap<Integer, String>();
    inputMap.put(new Integer(1), "rod");
    inputMap.put(new Integer(2), "rob");
    MutablePropertyValues pvs = new MutablePropertyValues();
    pvs.add("map", Collections.unmodifiableMap(inputMap));
    bw.setPropertyValues(pvs);
    assertEquals("rod", ((TestBean) bean.getMap().get(new Integer(1))).getName());
    assertEquals("rob", ((TestBean) bean.getMap().get(new Integer(2))).getName());
}

From source file:org.springframework.beans.BeanWrapperTests.java

@Test
public void testMapAccessWithCustomUnmodifiableMap() {
    IndexedTestBean bean = new IndexedTestBean();
    BeanWrapper bw = new BeanWrapperImpl(bean);
    bw.registerCustomEditor(TestBean.class, "map", new PropertyEditorSupport() {
        @Override/*from ww w .j  a v  a 2s .c om*/
        public void setAsText(String text) throws IllegalArgumentException {
            if (!StringUtils.hasLength(text)) {
                throw new IllegalArgumentException();
            }
            setValue(new TestBean(text));
        }
    });

    Map<Object, Object> inputMap = new HashMap<Object, Object>();
    inputMap.put(new Integer(1), "rod");
    inputMap.put(new Integer(2), "rob");
    MutablePropertyValues pvs = new MutablePropertyValues();
    pvs.add("map", new ReadOnlyMap(inputMap));
    bw.setPropertyValues(pvs);
    assertEquals("rod", ((TestBean) bean.getMap().get(new Integer(1))).getName());
    assertEquals("rob", ((TestBean) bean.getMap().get(new Integer(2))).getName());
}

From source file:org.springframework.beans.CachedIntrospectionResults.java

@Nullable
PropertyDescriptor getPropertyDescriptor(String name) {
    PropertyDescriptor pd = this.propertyDescriptorCache.get(name);
    if (pd == null && StringUtils.hasLength(name)) {
        // Same lenient fallback checking as in Property...
        pd = this.propertyDescriptorCache.get(StringUtils.uncapitalize(name));
        if (pd == null) {
            pd = this.propertyDescriptorCache.get(StringUtils.capitalize(name));
        }/*ww w .  j  ava 2s . co  m*/
    }
    return (pd == null || pd instanceof GenericTypeAwarePropertyDescriptor ? pd
            : buildGenericTypeAwarePropertyDescriptor(getBeanClass(), pd));
}

From source file:org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.java

private InjectionMetadata findAutowiringMetadata(String beanName, Class<?> clazz,
        @Nullable PropertyValues pvs) {/* ww  w  .  java 2s . c o m*/
    // Fall back to class name as cache key, for backwards compatibility with custom callers.
    String cacheKey = (StringUtils.hasLength(beanName) ? beanName : clazz.getName());
    // Quick check on the concurrent map first, with minimal locking.
    InjectionMetadata metadata = this.injectionMetadataCache.get(cacheKey);
    if (InjectionMetadata.needsRefresh(metadata, clazz)) {
        synchronized (this.injectionMetadataCache) {
            metadata = this.injectionMetadataCache.get(cacheKey);
            if (InjectionMetadata.needsRefresh(metadata, clazz)) {
                if (metadata != null) {
                    metadata.clear(pvs);
                }
                metadata = buildAutowiringMetadata(clazz);
                this.injectionMetadataCache.put(cacheKey, metadata);
            }
        }
    }
    return metadata;
}