本文整理了Java中org.springframework.util.Assert.hasLength()方法的一些代码示例，展示了Assert.hasLength()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Assert.hasLength()方法的具体详情如下：
包路径：org.springframework.util.Assert
类名称：Assert
方法名：hasLength

Assert.hasLength介绍

[英]Assert that the given String is not empty; that is, it must not be null and not the empty String.

Assert.hasLength(name);

[中]断言给定的字符串不是空的；也就是说，它不能是null，也不能是空字符串

Assert.hasLength(name);

代码示例

代码示例来源：origin: spring-projects/spring-framework

/**
 * Set a friendly name for this context.
 * Typically done during initialization of concrete context implementations.
 * <p>Default is the object id of the context instance.
 */
public void setDisplayName(String displayName) {
  Assert.hasLength(displayName, "Display name must not be empty");
  this.displayName = displayName;
}

代码示例来源：origin: spring-projects/spring-framework

public HttpCookie(String name, @Nullable String value) {
  Assert.hasLength(name, "'name' is required and must not be empty.");
  this.name = name;
  this.value = (value != null ? value : "");
}

代码示例来源：origin: spring-projects/spring-framework

private static void addToMap(Map<String, Object> map, String name, Object value) {
  Assert.hasLength(name, "'name' must not be empty");
  Assert.notNull(value, "'value' must not be null");
  map.put(name, value);
}

代码示例来源：origin: spring-projects/spring-framework

@Override
public void declareRoles(String... roleNames) {
  Assert.notNull(roleNames, "Role names array must not be null");
  for (String roleName : roleNames) {
    Assert.hasLength(roleName, "Role name must not be empty");
    this.declaredRoles.add(roleName);
  }
}

代码示例来源：origin: spring-projects/spring-framework

private static <T> void addToMultiValueMap(MultiValueMap<String, T> map, String name, T[] values) {
  Assert.hasLength(name, "'name' must not be empty");
  Assert.notEmpty(values, "'values' must not be empty");
  for (T value : values) {
    map.add(name, value);
  }
}

代码示例来源：origin: spring-projects/spring-framework

/**
 * Assert that the given String is not empty; that is,
 * it must not be {@code null} and not the empty String.
 * @deprecated as of 4.3.7, in favor of {@link #hasLength(String, String)}
 */
@Deprecated
public static void hasLength(@Nullable String text) {
  hasLength(text,
      "[Assertion failed] - this String argument must have length; it must not be null or empty");
}

代码示例来源：origin: spring-projects/spring-framework

public PathResourceLookupFunction(String pattern, Resource location) {
  Assert.hasLength(pattern, "'pattern' must not be empty");
  Assert.notNull(location, "'location' must not be null");
  this.pattern = PATTERN_PARSER.parse(pattern);
  this.location = location;
}

代码示例来源：origin: spring-projects/spring-framework

/**
 * Constructor for a part with a filename and byte[] content.
 * @see #getHeaders()
 */
public MockPart(String name, @Nullable String filename, @Nullable byte[] content) {
  Assert.hasLength(name, "'name' must not be empty");
  this.name = name;
  this.filename = filename;
  this.content = (content != null ? content : new byte[0]);
  this.headers.setContentDispositionFormData(name, filename);
}

代码示例来源：origin: spring-projects/spring-framework

protected void checkParameters(String attribute, String value) {
  Assert.hasLength(attribute, "'attribute' must not be empty");
  Assert.hasLength(value, "'value' must not be empty");
  checkToken(attribute);
  if (PARAM_CHARSET.equals(attribute)) {
    value = unquote(value);
    Charset.forName(value);
  }
  else if (!isQuotedString(value)) {
    checkToken(value);
  }
}

代码示例来源：origin: spring-projects/spring-framework

@Override
public void declareRoles(String... roleNames) {
  Assert.notNull(roleNames, "Role names array must not be null");
  for (String roleName : roleNames) {
    Assert.hasLength(roleName, "Role name must not be empty");
    this.declaredRoles.add(roleName);
  }
}

代码示例来源：origin: spring-projects/spring-framework

/**
 * Constructor for a part with a filename and byte[] content.
 * @see #getHeaders()
 */
public MockPart(String name, @Nullable String filename, @Nullable byte[] content) {
  Assert.hasLength(name, "'name' must not be empty");
  this.name = name;
  this.filename = filename;
  this.content = (content != null ? content : new byte[0]);
  this.headers.setContentDispositionFormData(name, filename);
}

代码示例来源：origin: spring-projects/spring-framework

@Test
public void hasLengthWithMessageSupplier() {
  Assert.hasLength("foo", () -> "enigma");
}

代码示例来源：origin: spring-projects/spring-framework

@Test
public void hasLength() {
  Assert.hasLength("I Heart ...", "enigma");
}

代码示例来源：origin: spring-projects/spring-framework

@Test
public void hasLengthWithWhitespaceOnly() {
  Assert.hasLength("\t  ", "enigma");
}

代码示例来源：origin: spring-projects/spring-framework

@Test
public void hasLengthWithWhitespaceOnlyAndMessageSupplier() {
  Assert.hasLength("\t", () -> "enigma");
}

代码示例来源：origin: spring-projects/spring-framework

@Test
public void hasLengthWithNullAndNullMessageSupplier() {
  thrown.expect(IllegalArgumentException.class);
  thrown.expectMessage(equalTo(null));
  Assert.hasLength(null, (Supplier<String>) null);
}

代码示例来源：origin: spring-projects/spring-framework

@Test
public void hasLengthWithNull() {
  thrown.expect(IllegalArgumentException.class);
  thrown.expectMessage("enigma");
  Assert.hasLength(null, "enigma");
}

代码示例来源：origin: spring-projects/spring-framework

@Test
public void hasLengthWithNullAndMessageSupplier() {
  thrown.expect(IllegalArgumentException.class);
  thrown.expectMessage("enigma");
  Assert.hasLength(null, () -> "enigma");
}

代码示例来源：origin: spring-projects/spring-framework

@Test
public void hasLengthWithEmptyStringAndMessageSupplier() {
  thrown.expect(IllegalArgumentException.class);
  thrown.expectMessage("enigma");
  Assert.hasLength("", () -> "enigma");
}

代码示例来源：origin: spring-projects/spring-framework

@Test
public void hasLengthWithEmptyString() {
  thrown.expect(IllegalArgumentException.class);
  thrown.expectMessage("enigma");
  Assert.hasLength("", "enigma");
}