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Leonid Shalupovandintellij-monorepo-bot
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GitOrigin-RevId: 8b2b63fc6db476ca0c2cfe5cadd84db6c4236d0f
26 lines
1.3 KiB
HTML
26 lines
1.3 KiB
HTML
<html>
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<body>
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Reports method calls that read or write a <code>String</code> as bytes using <code>java.nio.file.Files</code>.
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Such calls can be replaced with a call to a <code>Files.readString()</code> or <code>Files.writeString()</code> method introduced in Java 11.
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<p><b>Example:</b></p>
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<pre><code>
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String s = "example";
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Files.write(Paths.get("out.txt"), s.getBytes(StandardCharsets.UTF_8), StandardOpenOption.WRITE);
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s = new String(Files.readAllBytes(Paths.get("in.txt")), StandardCharsets.ISO_8859_1);
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</code></pre>
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<p>After the quick fix is applied:</p>
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<pre><code>
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String s = "example";
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Files.writeString(Paths.get("out.txt"), s, StandardOpenOption.WRITE);
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s = Files.readString(Paths.get("in.txt"), StandardCharsets.ISO_8859_1);
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</code></pre>
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<p>
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Note that the <code>readString()</code> behavior differs from the <code>new String(bytes, charset)</code> behavior when it comes to
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handling of invalid (unmappable) characters. The <code>readString()</code> method throws an exception in such cases, while the
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<code>new String(bytes, charset)</code> method silently replaces invalid characters with the replacement character.
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If silent replacement is desired, it would be better to suppress the inspection warning.
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</p>
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<!-- tooltip end -->
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<p><small>New in 2018.3</small></p>
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</body>
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</html> |