Examples of org.apache.tools.ant.util.DeweyDecimal

org.apache.tools.ant.util.DeweyDecimal
Utility class to contain version numbers in "Dewey Decimal" syntax. Numbers in the "Dewey Decimal" syntax consist of positive decimal integers separated by periods ".". For example, "2.0" or "1.2.3.4.5.6.7". This allows an extensible number to be used to represent major, minor, micro, etc versions. The version number must begin with a number.

     * @return true if the condition is true.
     * @throws BuildException if an error occurs.
     */
    public boolean eval() throws BuildException {
        validate();
        DeweyDecimal actual = getVersion();
        if (null != atLeast) {
            return actual.isGreaterThanOrEqual(new DeweyDecimal(atLeast));
        }
        if (null != exactly) {
            return actual.isEqual(new DeweyDecimal(exactly));
        }
        //default
        return false;
    }

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        if (null == atLeast && null == exactly) {
            throw new BuildException("One of atleast or exactly must be set.");
        }
        if (atLeast != null) {
            try {
                new DeweyDecimal(atLeast);
            } catch (NumberFormatException e) {
                throw new BuildException(
                    "The 'atleast' attribute is not a Dewey Decimal eg 1.1.0 : "
                    + atLeast);
            }
        } else {
            try {
                new DeweyDecimal(exactly);
            } catch (NumberFormatException e) {
                throw new BuildException(
                    "The 'exactly' attribute is not a Dewey Decimal eg 1.1.0 : "
                    + exactly);
            }

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            }
            if (Character.isLetter(versionString[i]) && foundFirstDigit) {
                break;
            }
        }
        return new DeweyDecimal(sb.toString());
    }

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     * @return true if the condition is true.
     * @throws BuildException if an error occurs.
     */
    public boolean eval() throws BuildException {
        validate();
        DeweyDecimal actual = getVersion();
        if (null != atLeast) {
            return actual.isGreaterThanOrEqual(new DeweyDecimal(atLeast));
        }
        if (null != exactly) {
            return actual.isEqual(new DeweyDecimal(exactly));
        }
        //default
        return false;
    }

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        if (null == atLeast && null == exactly) {
            throw new BuildException("One of atleast or exactly must be set.");
        }
        if (atLeast != null) {
            try {
                new DeweyDecimal(atLeast);
            } catch (NumberFormatException e) {
                throw new BuildException(
                    "The 'atleast' attribute is not a Dewey Decimal eg 1.1.0 : "
                    + atLeast);
            }
        } else {
            try {
                new DeweyDecimal(exactly);
            } catch (NumberFormatException e) {
                throw new BuildException(
                    "The 'exactly' attribute is not a Dewey Decimal eg 1.1.0 : "
                    + exactly);
            }

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            }
            if (Character.isLetter(versionString[i]) && foundFirstDigit) {
                break;
            }
        }
        return new DeweyDecimal(sb.toString());
    }

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        this.specificationVendor = specificationVendor;


        if (null != specificationVersion) {
            try {
                this.specificationVersion
                    = new DeweyDecimal(specificationVersion);
            } catch (final NumberFormatException nfe) {
                final String error = "Bad specification version format '"
                    + specificationVersion + "' in '" + specificationTitle
                    + "'. (Reason: " + nfe + ")";
                throw new IllegalArgumentException(error);

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        if (!specificationTitle.equals(other.getSpecificationTitle())) {
            return INCOMPATIBLE;
        }


        // Available specification version must be >= required
        final DeweyDecimal otherSpecificationVersion
            = other.getSpecificationVersion();
        if (null != specificationVersion) {
            if (null == otherSpecificationVersion
                || !isCompatible(specificationVersion, otherSpecificationVersion)) {
                return REQUIRE_SPECIFICATION_UPGRADE;

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        if (null != specificationVendor) {
            attributes.putValue(prefix + SPECIFICATION_VENDOR,
                                 specificationVendor);
        }


        final DeweyDecimal specificationVersion
            = extension.getSpecificationVersion();
        if (null != specificationVersion) {
            attributes.putValue(prefix + SPECIFICATION_VERSION,
                                 specificationVersion.toString());
        }


        final String implementationVendorID
            = extension.getImplementationVendorID();
        if (null != implementationVendorID) {
            attributes.putValue(prefix + IMPLEMENTATION_VENDOR_ID,
                                 implementationVendorID);
        }


        final String implementationVendor = extension.getImplementationVendor();
        if (null != implementationVendor) {
            attributes.putValue(prefix + IMPLEMENTATION_VENDOR,
                                 implementationVendor);
        }


        final DeweyDecimal implementationVersion
            = extension.getImplementationVersion();
        if (null != implementationVersion) {
            attributes.putValue(prefix + IMPLEMENTATION_VERSION,
                                 implementationVersion.toString());
        }


        final String implementationURL = extension.getImplementationURL();
        if (null != implementationURL) {
            attributes.putValue(prefix + IMPLEMENTATION_URL,

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        this.specificationVendor = specificationVendor;


        if (null != specificationVersion) {
            try {
                this.specificationVersion
                    = new DeweyDecimal(specificationVersion);
            } catch (final NumberFormatException nfe) {
                final String error = "Bad specification version format '"
                    + specificationVersion + "' in '" + extensionName
                    + "'. (Reason: " + nfe + ")";
                throw new IllegalArgumentException(error);
            }
        }


        this.implementationURL = implementationURL;
        this.implementationVendor = implementationVendor;
        this.implementationVendorID = implementationVendorId;


        if (null != implementationVersion) {
            try {
                this.implementationVersion
                    = new DeweyDecimal(implementationVersion);
            } catch (final NumberFormatException nfe) {
                final String error = "Bad implementation version format '"
                    + implementationVersion + "' in '" + extensionName
                    + "'. (Reason: " + nfe + ")";
                throw new IllegalArgumentException(error);

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