public void execute()

in enforcer-rules/src/main/java/org/apache/maven/enforcer/rules/checksum/RequireFileChecksum.java [52:91]

33 lines of code
10 McCabe index (conditional complexity)


    public void execute() throws EnforcerRuleException {
        if (this.file == null) {
            throw new EnforcerRuleError("Input file unspecified");
        }

        if (this.type == null) {
            throw new EnforcerRuleError("Hash type unspecified");
        }

        if (this.checksum == null) {
            throw new EnforcerRuleError("Checksum unspecified");
        }

        if (!this.file.exists()) {
            String message = nonexistentFileMessage;
            if (message == null) {
                message = "File does not exist: " + this.file.getAbsolutePath();
            }
            throw new EnforcerRuleException(message);
        }

        if (this.file.isDirectory()) {
            throw new EnforcerRuleError("Cannot calculate the checksum of directory: " + this.file.getAbsolutePath());
        }

        if (!this.file.canRead()) {
            throw new EnforcerRuleError("Cannot read file: " + this.file.getAbsolutePath());
        }

        String checksum = calculateChecksum();

        if (!checksum.equalsIgnoreCase(this.checksum)) {
            String exceptionMessage = getMessage();
            if (exceptionMessage == null) {
                exceptionMessage =
                        this.type + " hash of " + this.file + " was " + checksum + " but expected " + this.checksum;
            }
            throw new EnforcerRuleException(exceptionMessage);
        }
    }