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model: meaningful macro name assertion

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This commit is contained in:
Roman Shevchenko
2013-09-17 12:11:00 +04:00
parent cdc9cc19c0
commit cae47e40de
1 changed files with 7 additions and 12 deletions
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platform/projectModel-api/src/com/intellij/openapi/components/StoragePathMacros.java
+7 -12
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@@ -1,5 +1,5 @@
/*
* Copyright 2000-2012 JetBrains s.r.o.
* Copyright 2000-2013 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -26,18 +26,17 @@ import org.jetbrains.annotations.NotNull;
* i.e. special markers that are mapped to the current file system environment at runtime.
* <p/>
* This class holds those markers and utility method for working with them.
*
*
* @author Denis Zhdanov
* @since 5/2/12 12:57 PM
*/
public class StoragePathMacros {
/** Points to the application-level settings root directory. */
@NonNls @NotNull public static final String APP_CONFIG = "$APP_CONFIG$";
/** <code>'.ipr'</code> file path key. */
@NonNls @NotNull public static final String PROJECT_FILE = "$PROJECT_FILE$";
/** <code>'.idea'</code> directory path key. */
@NonNls @NotNull public static final String PROJECT_CONFIG_DIR = "$PROJECT_CONFIG_DIR$";
@@ -56,19 +55,15 @@ public class StoragePathMacros {
* Allows to extract macro name from the given macro definition.
* <p/>
* Basically, performs conversion like {@code '$NAME$' -> 'NAME'}.
*
*
* @param macro macro definition which name should be extracted.
* @return name of the given macro definition
* @throws IllegalArgumentException if given macro definition has unexpected format
*/
@NotNull
public static String getMacroName(@NotNull String macro) throws IllegalArgumentException {
if (macro.length() <= 0) {
throw new IllegalArgumentException("Can't extract name from the given macro definition. Reason: it's empty");
}
if (macro.charAt(0) != '$' || macro.charAt(macro.length() - 1) != '$') {
throw new IllegalArgumentException("Can't extract name from the given macro definition (" + macro + ")." +
" Reason: it doesn't conform to the expected format ($NAME$)");
if (macro.length() < 3 || macro.charAt(0) != '$' || macro.charAt(macro.length() - 1) != '$') {
throw new IllegalArgumentException("Malformed macro definition (" + macro + ")");
}
return macro.substring(1, macro.length() - 1);
}