我想听一个目录,读入新的.zip文件,最好将其传递给@ServiceActivator,然后将其解压缩到目录中。在最坏的情况下,我至少要从读取的zip文件中获取绝对路径,并在该路径上调用java unzip util以将其解压缩。
这是我的InboundChannelAdapter:
@Bean
@InboundChannelAdapter(value = "requestChannel", poller = @Poller(fixedDelay = "100"))
public FileReadingMessageSource adapter() {
FileReadingMessageSource source = new FileReadingMessageSource();
source.setDirectory(new File("path/to/zip/directory"));
return source;
}
这将读取新的.zip并将其继续传递。我已经尝试过一个小作家,将他们写到另一个目录,可以正常工作。
@Bean
@ServiceActivator(inputChannel = "requestChannel" )
public boolean unzipMe() {
byte[] buffer = new byte[1024];
try {
ZipInputStream zis = new ZipInputStream(new FileInputStream("path/to/zip"));
ZipEntry ze = zis.getNextEntry();
while(ze!=null){
String fileName = ze.getName();
File outPut = new File("path/out/directory" + File.separator + fileName);
FileOutputStream fos = new FileOutputStream(outPut);
int len;
System.out.println("output " + outPut.toString());
while((len = zis.read(buffer))> 0){
fos.write(buffer, 0, len);
}
fos.close();
ze = zis.getNextEntry();
}
zis.closeEntry();
zis.close();
} catch (Exception e) {
e.printStackTrace();
}
return true;
}
这是我的解压缩方法,它应该被来自requestChannel的消息调用,并解压缩文件。目前,我对.zip的路径进行了硬编码,因为我无法到达此处的消息。另外,这种实现方式给了我这个错误,我不明白。
Exception in thread "main" org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'integrationConfiguration' defined in file [D:\Workspaces\Integrationnnn\target\classes\demo\IntegrationConfiguration.class]: Initialization of bean failed; nested exception is java.lang.IllegalArgumentException: Found ambiguous parameter type [class java.lang.Boolean] for method match: [public static boolean java.lang.Boolean.parseBoolean(java.lang.String), public static java.lang.Boolean java.lang.Boolean.valueOf(boolean), public boolean java.lang.Boolean.booleanValue()]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:547)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:476)
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:303)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:299)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:194)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:755)
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:757)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:480)
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:686)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:320)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:957)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:946)
at demo.IntegrationnnnApplication.main(IntegrationnnnApplication.java:12)
Caused by: java.lang.IllegalArgumentException: Found ambiguous parameter type [class java.lang.Boolean] for method match: [public static boolean java.lang.Boolean.parseBoolean(java.lang.String), public static java.lang.Boolean java.lang.Boolean.valueOf(boolean), public boolean java.lang.Boolean.booleanValue()]
at org.springframework.util.Assert.isNull(Assert.java:89)
at org.springframework.integration.util.MessagingMethodInvokerHelper.findHandlerMethodsForTarget(MessagingMethodInvokerHelper.java:446)
at org.springframework.integration.util.MessagingMethodInvokerHelper.<init>(MessagingMethodInvokerHelper.java:192)
at org.springframework.integration.util.MessagingMethodInvokerHelper.<init>(MessagingMethodInvokerHelper.java:136)
at org.springframework.integration.util.MessagingMethodInvokerHelper.<init>(MessagingMethodInvokerHelper.java:131)
at org.springframework.integration.handler.MethodInvokingMessageProcessor.<init>(MethodInvokingMessageProcessor.java:57)
at org.springframework.integration.handler.ServiceActivatingHandler.<init>(ServiceActivatingHandler.java:37)
at org.springframework.integration.config.annotation.ServiceActivatorAnnotationPostProcessor.createHandler(ServiceActivatorAnnotationPostProcessor.java:65)
at org.springframework.integration.config.annotation.AbstractMethodAnnotationPostProcessor.postProcess(AbstractMethodAnnotationPostProcessor.java:117)
at org.springframework.integration.config.annotation.MessagingAnnotationPostProcessor$1.doWith(MessagingAnnotationPostProcessor.java:151)
at org.springframework.util.ReflectionUtils.doWithMethods(ReflectionUtils.java:496)
at org.springframework.util.ReflectionUtils.doWithMethods(ReflectionUtils.java:503)
at org.springframework.integration.config.annotation.MessagingAnnotationPostProcessor.postProcessAfterInitialization(MessagingAnnotationPostProcessor.java:131)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyBeanPostProcessorsAfterInitialization(AbstractAutowireCapableBeanFactory.java:422)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1571)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539)
... 13 more
但是,这确实可以可靠地将.zip文件解压缩到正确的目录中,然后崩溃。
简单的解决方案是仅实现我自己的MessageHandler并覆盖其handleMessageInternal方法。
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