com.sap.prd.mobile.ios.mios.XCodeVersionUtil.java Source code

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Here is the source code for com.sap.prd.mobile.ios.mios.XCodeVersionUtil.java

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/*
 * #%L
 * xcode-maven-plugin
 * %%
 * Copyright (C) 2012 SAP AG
 * %%
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * #L%
 */
package com.sap.prd.mobile.ios.mios;

import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.PrintStream;
import java.nio.charset.Charset;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import org.apache.commons.io.IOUtils;
import org.apache.maven.artifact.versioning.DefaultArtifactVersion;

public class XCodeVersionUtil {

    public static String getXCodeVersionString() throws XCodeException {
        PrintStream out = null;
        try {
            ByteArrayOutputStream bos = new ByteArrayOutputStream();
            out = new PrintStream(bos, true, Charset.defaultCharset().name());
            int exitCode = Forker.forkProcess(out, new File("."), new String[] { "xcodebuild", "-version" });
            if (exitCode == 0) {
                return bos.toString(Charset.defaultCharset().name());
            } else {
                throw new XCodeException("Could not get xcodebuild version (exit code = " + exitCode + ")");
            }
        } catch (Exception e) {
            throw new XCodeException("Could not get xcodebuild version");
        } finally {
            IOUtils.closeQuietly(out);
        }
    }

    public static DefaultArtifactVersion getVersion(String xCodeVersionString) throws XCodeException {
        Pattern versionPattern = Pattern.compile("Xcode (\\d+(\\.\\d+)+)", Pattern.CASE_INSENSITIVE);
        Matcher versionMatcher = versionPattern.matcher(xCodeVersionString);
        if (versionMatcher.find()) {
            return new DefaultArtifactVersion(versionMatcher.group(1));
        }
        throw new XCodeException("Could not get xcodebuild version");
    }

    public static String getBuildVersion(String xCodeVersionString) throws XCodeException {
        Pattern buildPattern = Pattern.compile("Build version (\\w+)", Pattern.CASE_INSENSITIVE);
        Matcher buildMatcher = buildPattern.matcher(xCodeVersionString);
        if (buildMatcher.find()) {
            return buildMatcher.group(1);
        }
        throw new XCodeException("Could not get xcodebuild build version");
    }

    public static boolean checkVersions(DefaultArtifactVersion version, final String MIN_XCODE_VERSION) {
        DefaultArtifactVersion minXcodeVersion = new DefaultArtifactVersion(MIN_XCODE_VERSION);
        return version.compareTo(minXcodeVersion) >= 0;
    }

}