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This noncompliant code example first checks that the file is a regular file (using the new Java SE 7 NIO2 APIs) before opening it.

Code Block

bgColor	#ffccc#ffcccc

String filename = /* provided by user */;
Path path = new File(filename).toPath();
try {
  BasicFileAttributes attr =
      Files.readAttributes(path, BasicFileAttributes.class);

  // Check
  if (!attr.isRegularFile()) {
    System.out.println("Not a regular file");
    return;
  }
  // other necessary checks
  
  // Use
  try (InputStream in = Files.newInputStream(path)) {
    // read file
  }
} catch (IOException x) {
  // handle error
}

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<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="2796e8a18a4cc74c-f9e36b6d-4f124a5e-a411bbfd-77bbbd6644fcd79dedc6525c"><ac:plain-text-body><![CDATA[	[[API 2006	AA. Bibliography#API 06]]	Class `File`, methods `createTempFile`, `delete`, `deleteOnExit`	]]></ac:plain-text-body></ac:structured-macro>
<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="9f238508366ef655-034895a9-461340ce-a5248d92-53eecef67f9817cdee5ae3c2"><ac:plain-text-body><![CDATA[	[[CVE 2011	AA. Bibliography#CVE 08]]	[CVE-2008-5354	http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-5354]	]]></ac:plain-text-body></ac:structured-macro>
<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="1a67136c0b91ce44-8034d60e-49c44cae-bab48e2e-9799cbc061d9877839f3eb61"><ac:plain-text-body><![CDATA[	[[Darwin 2004	AA. Bibliography#Darwin 04]]	11.5, Creating a Transient File	]]></ac:plain-text-body></ac:structured-macro>
<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="1414eb2dc5ab6744-a0af5edc-4af24e93-a9a28923-389166baf143b9ac71421366"><ac:plain-text-body><![CDATA[	[[Garfinkel 1996	AA. Bibliography#Garfinkel 96]]	Section 5.6, Device Files	]]></ac:plain-text-body></ac:structured-macro>
<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="61fd38faca70c0d0-b8e41ee4-43214d6f-9bc39f20-2ee98e5e22219769bb778cc9"><ac:plain-text-body><![CDATA[	[[Howard 2002	AA. Bibliography#Howard 02]]	Chapter 11, Canonical Representation Issues	]]></ac:plain-text-body></ac:structured-macro>
<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="b254754969179621-c136e993-404c4557-877da413-18acd310a6fa3f5b9e770e3b"><ac:plain-text-body><![CDATA[	[[J2SE 2011	AA. Bibliography#J2SE 11]]	The try-with-resources Statement	]]></ac:plain-text-body></ac:structured-macro>
<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="10d42edf943f3283-05cc37ec-4a6644b4-b6afb2a9-14918855305b034b3e565cbb"><ac:plain-text-body><![CDATA[	[[Open Group 2004	AA. Bibliography#Open Group 04]]	[`open()`	http://www.opengroup.org/onlinepubs/009695399/functions/open.html]	]]></ac:plain-text-body></ac:structured-macro>
<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="612a476f2f39cdf5-5bdef349-42d24c6b-9f169cac-d20be27bb9f02ca58c569a4e"><ac:plain-text-body><![CDATA[	[[SDN 2008	AA. Bibliography#SDN 08]]	Bug IDs 4171239, 4405521, 4635827, 4631820	]]></ac:plain-text-body></ac:structured-macro>
<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="045b49d2721a59f0-76b194c7-44fe4118-823ab44d-55c5aece10fb2c3e95ced321"><ac:plain-text-body><![CDATA[	[[Secunia 2008	AA. Bibliography#Secunia 08]]	[Secunia Advisory 20132	http://secunia.com/advisories/20132/]	]]></ac:plain-text-body></ac:structured-macro>

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