下面列出了org.springframework.util.StringUtils#trimWhitespace ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。
public void setArgumentNamesFromStringArray(String... args) {
this.argumentNames = new String[args.length];
for (int i = 0; i < args.length; i++) {
this.argumentNames[i] = StringUtils.trimWhitespace(args[i]);
if (!isVariableName(this.argumentNames[i])) {
throw new IllegalArgumentException(
"'argumentNames' property of AbstractAspectJAdvice contains an argument name '" +
this.argumentNames[i] + "' that is not a valid Java identifier");
}
}
if (argumentNames != null) {
if (aspectJAdviceMethod.getParameterTypes().length == argumentNames.length + 1) {
// May need to add implicit join point arg name...
Class<?> firstArgType = aspectJAdviceMethod.getParameterTypes()[0];
if (firstArgType == JoinPoint.class ||
firstArgType == ProceedingJoinPoint.class ||
firstArgType == JoinPoint.StaticPart.class) {
String[] oldNames = argumentNames;
argumentNames = new String[oldNames.length + 1];
argumentNames[0] = "THIS_JOIN_POINT";
System.arraycopy(oldNames, 0, argumentNames, 1, oldNames.length);
}
}
}
}
public void setArgumentNamesFromStringArray(String... args) {
this.argumentNames = new String[args.length];
for (int i = 0; i < args.length; i++) {
this.argumentNames[i] = StringUtils.trimWhitespace(args[i]);
if (!isVariableName(this.argumentNames[i])) {
throw new IllegalArgumentException(
"'argumentNames' property of AbstractAspectJAdvice contains an argument name '" +
this.argumentNames[i] + "' that is not a valid Java identifier");
}
}
if (this.argumentNames != null) {
if (this.aspectJAdviceMethod.getParameterTypes().length == this.argumentNames.length + 1) {
// May need to add implicit join point arg name...
Class<?> firstArgType = this.aspectJAdviceMethod.getParameterTypes()[0];
if (firstArgType == JoinPoint.class ||
firstArgType == ProceedingJoinPoint.class ||
firstArgType == JoinPoint.StaticPart.class) {
String[] oldNames = this.argumentNames;
this.argumentNames = new String[oldNames.length + 1];
this.argumentNames[0] = "THIS_JOIN_POINT";
System.arraycopy(oldNames, 0, this.argumentNames, 1, oldNames.length);
}
}
}
}
/**
* Set the regular expressions defining methods to match.
* Matching will be the union of all these; if any match, the pointcut matches.
* @see #setPattern
*/
public void setPatterns(String... patterns) {
Assert.notEmpty(patterns, "'patterns' must not be empty");
this.patterns = new String[patterns.length];
for (int i = 0; i < patterns.length; i++) {
this.patterns[i] = StringUtils.trimWhitespace(patterns[i]);
}
initPatternRepresentation(this.patterns);
}
/**
* Set the regular expressions defining methods to match.
* Matching will be the union of all these; if any match, the pointcut matches.
* @see #setPattern
*/
public void setPatterns(String... patterns) {
Assert.notEmpty(patterns, "'patterns' must not be empty");
this.patterns = new String[patterns.length];
for (int i = 0; i < patterns.length; i++) {
this.patterns[i] = StringUtils.trimWhitespace(patterns[i]);
}
initPatternRepresentation(this.patterns);
}
/**
* Set the regular expressions defining methods to match.
* Matching will be the union of all these; if any match, the pointcut matches.
* @see #setPattern
*/
public void setPatterns(String... patterns) {
Assert.notEmpty(patterns, "'patterns' must not be empty");
this.patterns = new String[patterns.length];
for (int i = 0; i < patterns.length; i++) {
this.patterns[i] = StringUtils.trimWhitespace(patterns[i]);
}
initPatternRepresentation(this.patterns);
}
/**
* Set the regular expressions defining methods to match for exclusion.
* Matching will be the union of all these; if any match, the pointcut matches.
* @see #setExcludedPattern
*/
public void setExcludedPatterns(String... excludedPatterns) {
Assert.notEmpty(excludedPatterns, "'excludedPatterns' must not be empty");
this.excludedPatterns = new String[excludedPatterns.length];
for (int i = 0; i < excludedPatterns.length; i++) {
this.excludedPatterns[i] = StringUtils.trimWhitespace(excludedPatterns[i]);
}
initExcludedPatternRepresentation(this.excludedPatterns);
}
@Override
public String parse(String text, Locale locale) throws ParseException {
if (text == null) {
return null;
}
String value = StringUtils.trimWhitespace(text);
value = Normalizer.normalize(value, Normalizer.Form.NFKC);
return replaceUnsafeChars(value);
}
/**
* Set the regular expressions defining methods to match.
* Matching will be the union of all these; if any match, the pointcut matches.
* @see #setPattern
*/
public void setPatterns(String... patterns) {
Assert.notEmpty(patterns, "'patterns' must not be empty");
this.patterns = new String[patterns.length];
for (int i = 0; i < patterns.length; i++) {
this.patterns[i] = StringUtils.trimWhitespace(patterns[i]);
}
initPatternRepresentation(this.patterns);
}
/**
* Set the regular expressions defining methods to match for exclusion.
* Matching will be the union of all these; if any match, the pointcut matches.
* @see #setExcludedPattern
*/
public void setExcludedPatterns(String... excludedPatterns) {
Assert.notEmpty(excludedPatterns, "'excludedPatterns' must not be empty");
this.excludedPatterns = new String[excludedPatterns.length];
for (int i = 0; i < excludedPatterns.length; i++) {
this.excludedPatterns[i] = StringUtils.trimWhitespace(excludedPatterns[i]);
}
initExcludedPatternRepresentation(this.excludedPatterns);
}
public static String[] tokenizeString(String query)
{
String trimmed = StringUtils.trimWhitespace(query);
if (trimmed == null || trimmed.length() < 1) return new String[]{query};
List<String> split = new ArrayList<String>();
char[] toSplit = trimmed.toCharArray();
StringBuffer buff = new StringBuffer();
for (char c : toSplit) {
if (Character.isWhitespace(c))
{
if (buff.length() > 0)
{
split.add(buff.toString());
buff = new StringBuffer();
}
}
else
{
buff.append(c);
}
}
if (buff.length() > 0)
{
split.add(buff.toString());
}
return split.toArray(new String[split.size()]);
}
@Override
public BeanDefinitionHolder decorate(Node node, BeanDefinitionHolder definition, ParserContext parserContext) {
if (node instanceof Attr) {
Attr attr = (Attr) node;
String argName = StringUtils.trimWhitespace(parserContext.getDelegate().getLocalName(attr));
String argValue = StringUtils.trimWhitespace(attr.getValue());
ConstructorArgumentValues cvs = definition.getBeanDefinition().getConstructorArgumentValues();
boolean ref = false;
// handle -ref arguments
if (argName.endsWith(REF_SUFFIX)) {
ref = true;
argName = argName.substring(0, argName.length() - REF_SUFFIX.length());
}
ValueHolder valueHolder = new ValueHolder(ref ? new RuntimeBeanReference(argValue) : argValue);
valueHolder.setSource(parserContext.getReaderContext().extractSource(attr));
// handle "escaped"/"_" arguments
if (argName.startsWith(DELIMITER_PREFIX)) {
String arg = argName.substring(1).trim();
// fast default check
if (!StringUtils.hasText(arg)) {
cvs.addGenericArgumentValue(valueHolder);
}
// assume an index otherwise
else {
int index = -1;
try {
index = Integer.parseInt(arg);
}
catch (NumberFormatException ex) {
parserContext.getReaderContext().error(
"Constructor argument '" + argName + "' specifies an invalid integer", attr);
}
if (index < 0) {
parserContext.getReaderContext().error(
"Constructor argument '" + argName + "' specifies a negative index", attr);
}
if (cvs.hasIndexedArgumentValue(index)){
parserContext.getReaderContext().error(
"Constructor argument '" + argName + "' with index "+ index+" already defined using <constructor-arg>." +
" Only one approach may be used per argument.", attr);
}
cvs.addIndexedArgumentValue(index, valueHolder);
}
}
// no escaping -> ctr name
else {
String name = Conventions.attributeNameToPropertyName(argName);
if (containsArgWithName(name, cvs)){
parserContext.getReaderContext().error(
"Constructor argument '" + argName + "' already defined using <constructor-arg>." +
" Only one approach may be used per argument.", attr);
}
valueHolder.setName(Conventions.attributeNameToPropertyName(argName));
cvs.addGenericArgumentValue(valueHolder);
}
}
return definition;
}
@Override
public MetaData generateTargetMetadata(final String key, final String value) {
return new JpaTargetMetadata(key, StringUtils.trimWhitespace(value));
}
/**
* Format is PROPAGATION_NAME,ISOLATION_NAME,readOnly,timeout_NNNN,+Exception1,-Exception2.
* Null or the empty string means that the method is non transactional.
* @see java.beans.PropertyEditor#setAsText(java.lang.String)
*/
@Override
public void setAsText(String text) throws IllegalArgumentException {
if (StringUtils.hasLength(text)) {
// tokenize it with ","
String[] tokens = StringUtils.commaDelimitedListToStringArray(text);
RuleBasedTransactionAttribute attr = new RuleBasedTransactionAttribute();
for (int i = 0; i < tokens.length; i++) {
// Trim leading and trailing whitespace.
String token = StringUtils.trimWhitespace(tokens[i].trim());
// Check whether token contains illegal whitespace within text.
if (StringUtils.containsWhitespace(token)) {
throw new IllegalArgumentException(
"Transaction attribute token contains illegal whitespace: [" + token + "]");
}
// Check token type.
if (token.startsWith(RuleBasedTransactionAttribute.PREFIX_PROPAGATION)) {
attr.setPropagationBehaviorName(token);
}
else if (token.startsWith(RuleBasedTransactionAttribute.PREFIX_ISOLATION)) {
attr.setIsolationLevelName(token);
}
else if (token.startsWith(RuleBasedTransactionAttribute.PREFIX_TIMEOUT)) {
String value = token.substring(DefaultTransactionAttribute.PREFIX_TIMEOUT.length());
attr.setTimeout(Integer.parseInt(value));
}
else if (token.equals(RuleBasedTransactionAttribute.READ_ONLY_MARKER)) {
attr.setReadOnly(true);
}
else if (token.startsWith(RuleBasedTransactionAttribute.PREFIX_COMMIT_RULE)) {
attr.getRollbackRules().add(new NoRollbackRuleAttribute(token.substring(1)));
}
else if (token.startsWith(RuleBasedTransactionAttribute.PREFIX_ROLLBACK_RULE)) {
attr.getRollbackRules().add(new RollbackRuleAttribute(token.substring(1)));
}
else {
throw new IllegalArgumentException("Invalid transaction attribute token: [" + token + "]");
}
}
setValue(attr);
}
else {
setValue(null);
}
}
@Override
public BeanDefinitionHolder decorate(Node node, BeanDefinitionHolder definition, ParserContext parserContext) {
if (node instanceof Attr) {
Attr attr = (Attr) node;
String argName = StringUtils.trimWhitespace(parserContext.getDelegate().getLocalName(attr));
String argValue = StringUtils.trimWhitespace(attr.getValue());
ConstructorArgumentValues cvs = definition.getBeanDefinition().getConstructorArgumentValues();
boolean ref = false;
// handle -ref arguments
if (argName.endsWith(REF_SUFFIX)) {
ref = true;
argName = argName.substring(0, argName.length() - REF_SUFFIX.length());
}
ValueHolder valueHolder = new ValueHolder(ref ? new RuntimeBeanReference(argValue) : argValue);
valueHolder.setSource(parserContext.getReaderContext().extractSource(attr));
// handle "escaped"/"_" arguments
if (argName.startsWith(DELIMITER_PREFIX)) {
String arg = argName.substring(1).trim();
// fast default check
if (!StringUtils.hasText(arg)) {
cvs.addGenericArgumentValue(valueHolder);
}
// assume an index otherwise
else {
int index = -1;
try {
index = Integer.parseInt(arg);
}
catch (NumberFormatException ex) {
parserContext.getReaderContext().error(
"Constructor argument '" + argName + "' specifies an invalid integer", attr);
}
if (index < 0) {
parserContext.getReaderContext().error(
"Constructor argument '" + argName + "' specifies a negative index", attr);
}
if (cvs.hasIndexedArgumentValue(index)) {
parserContext.getReaderContext().error(
"Constructor argument '" + argName + "' with index "+ index+" already defined using <constructor-arg>." +
" Only one approach may be used per argument.", attr);
}
cvs.addIndexedArgumentValue(index, valueHolder);
}
}
// no escaping -> ctr name
else {
String name = Conventions.attributeNameToPropertyName(argName);
if (containsArgWithName(name, cvs)) {
parserContext.getReaderContext().error(
"Constructor argument '" + argName + "' already defined using <constructor-arg>." +
" Only one approach may be used per argument.", attr);
}
valueHolder.setName(Conventions.attributeNameToPropertyName(argName));
cvs.addGenericArgumentValue(valueHolder);
}
}
return definition;
}
private String getRolloutName() {
return StringUtils.trimWhitespace(rolloutName.getValue());
}
@Override
public BeanDefinitionHolder decorate(Node node, BeanDefinitionHolder definition, ParserContext parserContext) {
if (node instanceof Attr) {
Attr attr = (Attr) node;
String argName = StringUtils.trimWhitespace(parserContext.getDelegate().getLocalName(attr));
String argValue = StringUtils.trimWhitespace(attr.getValue());
ConstructorArgumentValues cvs = definition.getBeanDefinition().getConstructorArgumentValues();
boolean ref = false;
// handle -ref arguments
if (argName.endsWith(REF_SUFFIX)) {
ref = true;
argName = argName.substring(0, argName.length() - REF_SUFFIX.length());
}
ValueHolder valueHolder = new ValueHolder(ref ? new RuntimeBeanReference(argValue) : argValue);
valueHolder.setSource(parserContext.getReaderContext().extractSource(attr));
// handle "escaped"/"_" arguments
if (argName.startsWith(DELIMITER_PREFIX)) {
String arg = argName.substring(1).trim();
// fast default check
if (!StringUtils.hasText(arg)) {
cvs.addGenericArgumentValue(valueHolder);
}
// assume an index otherwise
else {
int index = -1;
try {
index = Integer.parseInt(arg);
}
catch (NumberFormatException ex) {
parserContext.getReaderContext().error(
"Constructor argument '" + argName + "' specifies an invalid integer", attr);
}
if (index < 0) {
parserContext.getReaderContext().error(
"Constructor argument '" + argName + "' specifies a negative index", attr);
}
if (cvs.hasIndexedArgumentValue(index)) {
parserContext.getReaderContext().error(
"Constructor argument '" + argName + "' with index "+ index+" already defined using <constructor-arg>." +
" Only one approach may be used per argument.", attr);
}
cvs.addIndexedArgumentValue(index, valueHolder);
}
}
// no escaping -> ctr name
else {
String name = Conventions.attributeNameToPropertyName(argName);
if (containsArgWithName(name, cvs)) {
parserContext.getReaderContext().error(
"Constructor argument '" + argName + "' already defined using <constructor-arg>." +
" Only one approach may be used per argument.", attr);
}
valueHolder.setName(Conventions.attributeNameToPropertyName(argName));
cvs.addGenericArgumentValue(valueHolder);
}
}
return definition;
}
/**
* Format is PROPAGATION_NAME,ISOLATION_NAME,readOnly,timeout_NNNN,+Exception1,-Exception2.
* Null or the empty string means that the method is non transactional.
* @see java.beans.PropertyEditor#setAsText(java.lang.String)
*/
@Override
public void setAsText(String text) throws IllegalArgumentException {
if (StringUtils.hasLength(text)) {
// tokenize it with ","
String[] tokens = StringUtils.commaDelimitedListToStringArray(text);
RuleBasedTransactionAttribute attr = new RuleBasedTransactionAttribute();
for (int i = 0; i < tokens.length; i++) {
// Trim leading and trailing whitespace.
String token = StringUtils.trimWhitespace(tokens[i].trim());
// Check whether token contains illegal whitespace within text.
if (StringUtils.containsWhitespace(token)) {
throw new IllegalArgumentException(
"Transaction attribute token contains illegal whitespace: [" + token + "]");
}
// Check token type.
if (token.startsWith(RuleBasedTransactionAttribute.PREFIX_PROPAGATION)) {
attr.setPropagationBehaviorName(token);
}
else if (token.startsWith(RuleBasedTransactionAttribute.PREFIX_ISOLATION)) {
attr.setIsolationLevelName(token);
}
else if (token.startsWith(RuleBasedTransactionAttribute.PREFIX_TIMEOUT)) {
String value = token.substring(DefaultTransactionAttribute.PREFIX_TIMEOUT.length());
attr.setTimeout(Integer.parseInt(value));
}
else if (token.equals(RuleBasedTransactionAttribute.READ_ONLY_MARKER)) {
attr.setReadOnly(true);
}
else if (token.startsWith(RuleBasedTransactionAttribute.PREFIX_COMMIT_RULE)) {
attr.getRollbackRules().add(new NoRollbackRuleAttribute(token.substring(1)));
}
else if (token.startsWith(RuleBasedTransactionAttribute.PREFIX_ROLLBACK_RULE)) {
attr.getRollbackRules().add(new RollbackRuleAttribute(token.substring(1)));
}
else {
throw new IllegalArgumentException("Invalid transaction attribute token: [" + token + "]");
}
}
setValue(attr);
}
else {
setValue(null);
}
}
@Override
public BeanDefinitionHolder decorate(Node node, BeanDefinitionHolder definition, ParserContext parserContext) {
if (node instanceof Attr) {
Attr attr = (Attr) node;
String argName = StringUtils.trimWhitespace(parserContext.getDelegate().getLocalName(attr));
String argValue = StringUtils.trimWhitespace(attr.getValue());
ConstructorArgumentValues cvs = definition.getBeanDefinition().getConstructorArgumentValues();
boolean ref = false;
// handle -ref arguments
if (argName.endsWith(REF_SUFFIX)) {
ref = true;
argName = argName.substring(0, argName.length() - REF_SUFFIX.length());
}
ValueHolder valueHolder = new ValueHolder(ref ? new RuntimeBeanReference(argValue) : argValue);
valueHolder.setSource(parserContext.getReaderContext().extractSource(attr));
// handle "escaped"/"_" arguments
if (argName.startsWith(DELIMITER_PREFIX)) {
String arg = argName.substring(1).trim();
// fast default check
if (!StringUtils.hasText(arg)) {
cvs.addGenericArgumentValue(valueHolder);
}
// assume an index otherwise
else {
int index = -1;
try {
index = Integer.parseInt(arg);
}
catch (NumberFormatException ex) {
parserContext.getReaderContext().error(
"Constructor argument '" + argName + "' specifies an invalid integer", attr);
}
if (index < 0) {
parserContext.getReaderContext().error(
"Constructor argument '" + argName + "' specifies a negative index", attr);
}
if (cvs.hasIndexedArgumentValue(index)){
parserContext.getReaderContext().error(
"Constructor argument '" + argName + "' with index "+ index+" already defined using <constructor-arg>." +
" Only one approach may be used per argument.", attr);
}
cvs.addIndexedArgumentValue(index, valueHolder);
}
}
// no escaping -> ctr name
else {
String name = Conventions.attributeNameToPropertyName(argName);
if (containsArgWithName(name, cvs)){
parserContext.getReaderContext().error(
"Constructor argument '" + argName + "' already defined using <constructor-arg>." +
" Only one approach may be used per argument.", attr);
}
valueHolder.setName(Conventions.attributeNameToPropertyName(argName));
cvs.addGenericArgumentValue(valueHolder);
}
}
return definition;
}
@Override
public String parse(String text, Locale locale) throws ParseException {
String value = StringUtils.trimWhitespace(text);
// value = Normalizer.normalize(value, Normalizer.Form.NFKC);
return value;
}
@Override
public BeanDefinitionHolder decorate(Node node, BeanDefinitionHolder definition, ParserContext parserContext) {
if (node instanceof Attr) {
Attr attr = (Attr) node;
String argName = StringUtils.trimWhitespace(parserContext.getDelegate().getLocalName(attr));
String argValue = StringUtils.trimWhitespace(attr.getValue());
ConstructorArgumentValues cvs = definition.getBeanDefinition().getConstructorArgumentValues();
boolean ref = false;
// handle -ref arguments
if (argName.endsWith(REF_SUFFIX)) {
ref = true;
argName = argName.substring(0, argName.length() - REF_SUFFIX.length());
}
ValueHolder valueHolder = new ValueHolder(ref ? new RuntimeBeanReference(argValue) : argValue);
valueHolder.setSource(parserContext.getReaderContext().extractSource(attr));
// handle "escaped"/"_" arguments
if (argName.startsWith(DELIMITER_PREFIX)) {
String arg = argName.substring(1).trim();
// fast default check
if (!StringUtils.hasText(arg)) {
cvs.addGenericArgumentValue(valueHolder);
}
// assume an index otherwise
else {
int index = -1;
try {
index = Integer.parseInt(arg);
} catch (NumberFormatException ex) {
parserContext.getReaderContext().error(
"Constructor argument '" + argName + "' specifies an invalid integer", attr);
}
if (index < 0) {
parserContext.getReaderContext().error(
"Constructor argument '" + argName + "' specifies a negative index", attr);
}
if (cvs.hasIndexedArgumentValue(index)){
parserContext.getReaderContext().error(
"Constructor argument '" + argName + "' with index "+ index+" already defined using <constructor-arg>." +
" Only one approach may be used per argument.", attr);
}
cvs.addIndexedArgumentValue(index, valueHolder);
}
}
// no escaping -> ctr name
else {
String name = Conventions.attributeNameToPropertyName(argName);
if (containsArgWithName(name, cvs)){
parserContext.getReaderContext().error(
"Constructor argument '" + argName + "' already defined using <constructor-arg>." +
" Only one approach may be used per argument.", attr);
}
valueHolder.setName(Conventions.attributeNameToPropertyName(argName));
cvs.addGenericArgumentValue(valueHolder);
}
}
return definition;
}