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[mirror_edk2.git] / Tools / Source / GenBuild / org / tianocore / build / global / PropertyManager.java

package org.tianocore.build.global;\r
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import java.util.HashMap;\r
import java.util.Hashtable;\r
import java.util.Iterator;\r
import java.util.Set;\r
import java.util.Stack;\r
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import org.apache.tools.ant.Project;\r
import org.apache.tools.ant.PropertyHelper;\r
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public class PropertyManager {\r
    private static Stack<HashMap<String, String>> propertyTableStack = new Stack<HashMap<String, String>>();\r
    private static HashMap<String, String> orgPropertyTable = null;\r
    private static HashMap<String, String> oldPropertyTable = null;\r
    private static HashMap<String, String> bakPropertyTable = null;\r
    private static Project prj = null;\r
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    public static void save() {\r
        if (orgPropertyTable == null) {\r
            Hashtable prjProperties = prj.getProperties();\r
            orgPropertyTable = new HashMap<String, String>();\r
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            Set keys = prjProperties.keySet();\r
            Iterator iter = keys.iterator();\r
            while (iter.hasNext()) {\r
                String item = (String)iter.next();\r
                orgPropertyTable.put(item, (String)prjProperties.get(item));\r
            }\r
        }\r
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        if (bakPropertyTable != null) {\r
            propertyTableStack.push(bakPropertyTable);\r
            oldPropertyTable = bakPropertyTable;\r
        } else {\r
            oldPropertyTable = orgPropertyTable;\r
        }\r
        bakPropertyTable = new HashMap<String, String>();\r
    }\r
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    public static void restore() {\r
        if (bakPropertyTable == null) {\r
            return;\r
        }\r
        Set keys = bakPropertyTable.keySet();\r
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        Iterator iter = keys.iterator();\r
        while (iter.hasNext()) {\r
            String name = (String)iter.next();\r
            String value = (String)bakPropertyTable.get(name);\r
            setProperty(prj, name, value);\r
        }\r
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        if (propertyTableStack.size() > 0) {\r
            bakPropertyTable = (HashMap<String, String>)propertyTableStack.pop();\r
        } else {\r
            bakPropertyTable = null;\r
        }\r
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        if (propertyTableStack.size() == 0) {\r
            oldPropertyTable = orgPropertyTable;\r
        } else {\r
            oldPropertyTable = (HashMap<String, String>)propertyTableStack.peek();\r
        }\r
    }\r
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    public static void setProject(Project prj) {\r
        PropertyManager.prj = prj;\r
    }\r
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    public static void setProperty(String name, String value) {\r
        if (prj == null) {\r
            return;\r
        }\r
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        setProperty(prj, name, value);\r
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        if (oldPropertyTable == null || bakPropertyTable == null) {\r
            return;\r
        }\r
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        String oldValue = oldPropertyTable.get(name);\r
        if (oldValue == null) {\r
            oldValue = value;\r
        }\r
        bakPropertyTable.put(name, oldValue);\r
    }\r
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    public static void setProperty(Project project, String name, String value) {\r
        if (project == null) {\r
            if (prj == null) {\r
                return;\r
            }\r
            project = prj;\r
        }\r
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        PropertyHelper.getPropertyHelper(project).setProperty(null, name, value, false);\r
    }\r
}\r
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