org.adoptopenjdk.jitwatch.model.bytecode.ClassBC Maven / Gradle / Ivy

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A Maven plugin that scans the project artifact and its dependencies for methods that cannot be inlined by the JIT compiler. It uses the JarScan utility from the JITWatch project to do that. See https://github.com/AdoptOpenJDK/jitwatch .
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/*
 * Copyright (c) 2013-2015 Chris Newland.
 * Licensed under https://github.com/AdoptOpenJDK/jitwatch/blob/master/LICENSE-BSD
 * Instructions: https://github.com/AdoptOpenJDK/jitwatch/wiki
 */
package org.adoptopenjdk.jitwatch.model.bytecode;

import static org.adoptopenjdk.jitwatch.core.JITWatchConstants.C_NEWLINE;
import static org.adoptopenjdk.jitwatch.core.JITWatchConstants.DEBUG_LOGGING_BYTECODE;
import static org.adoptopenjdk.jitwatch.core.JITWatchConstants.S_BYTECODE_MAJOR_VERSION;
import static org.adoptopenjdk.jitwatch.core.JITWatchConstants.S_BYTECODE_MINOR_VERSION;

import java.util.ArrayList;
import java.util.Collections;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;

import org.adoptopenjdk.jitwatch.model.IMetaMember;
import org.adoptopenjdk.jitwatch.model.MemberSignatureParts;
import org.adoptopenjdk.jitwatch.util.StringUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class ClassBC
{
	private ConstantPool constantPool;

	private String sourceFile;

	private int majorVersion;
	private int minorVersion;
	
	private String fqClassName;

	private List memberBytecodeList = new ArrayList<>();

	private List innerClassNames = new ArrayList<>();

	private Map classGenericsMap = new LinkedHashMap<>();

	private static final Logger logger = LoggerFactory.getLogger(ClassBC.class);
	
	public ClassBC(String fqClassName)
	{
		this.fqClassName = fqClassName;
	}
	
	public String getFullyQualifiedClassName()
	{
		return fqClassName;
	}
	
	public String getPackageName()
	{
		return StringUtil.getPackageName(fqClassName);
	}

	public void addMemberBytecode(MemberBytecode memberBytecode)
	{
		memberBytecodeList.add(memberBytecode);
	}

	public List getMemberBytecodeList()
	{
		return Collections.unmodifiableList(memberBytecodeList);
	}

	public void addGenericsMapping(String key, String value)
	{
		classGenericsMap.put(key, value);
	}

	public Map getGenericsMap()
	{
		return Collections.unmodifiableMap(classGenericsMap);
	}

	public void addInnerClassName(String name)
	{
		innerClassNames.add(name);
	}

	public List getInnerClassNames()
	{
		return Collections.unmodifiableList(innerClassNames);
	}

	public MemberBytecode getMemberBytecode(IMetaMember member)
	{
		if (DEBUG_LOGGING_BYTECODE)
		{
			logger.debug("getMemberBytecode: {}", member);
		}

		MemberBytecode result = null;

		if (member != null)
		{
			for (MemberBytecode item : memberBytecodeList)
			{
				if (member.matchesSignature(item.getMemberSignatureParts(), true))
				{
					result = item;
					break;
				}
			}
		}

		if (DEBUG_LOGGING_BYTECODE)
		{
			logger.debug("getMemberBytecode found: {}", result);
		}

		return result;
	}

	public MemberBytecode getMemberBytecodeForSignature(MemberSignatureParts msp)
	{
		if (DEBUG_LOGGING_BYTECODE)
		{
			logger.debug("getMemberBytecodeForSignature: {}", msp);
		}

		MemberBytecode result = null;

		if (msp != null)
		{
			for (MemberBytecode item : memberBytecodeList)
			{
				if (msp.equals(item.getMemberSignatureParts()))
				{
					result = item;
					break;
				}
			}
		}

		if (DEBUG_LOGGING_BYTECODE)
		{
			logger.debug("Found MemberBytecode: {}", result != null);
		}

		return result;
	}

	public ConstantPool getConstantPool()
	{
		return constantPool;
	}

	public void setConstantPool(ConstantPool constantPool)
	{
		this.constantPool = constantPool;
	}

	public String getSourceFile()
	{
		return sourceFile;
	}

	public void setSourceFile(String sourceFile)
	{
		this.sourceFile = sourceFile;
	}

	public int getMajorVersion()
	{
		return majorVersion;
	}

	public void setMajorVersion(int majorVersion)
	{
		this.majorVersion = majorVersion;
	}

	public int getMinorVersion()
	{
		return minorVersion;
	}

	public String getJavaVersion()
	{
		String result;

		switch (majorVersion)
		{
		case 52:
			result = "Java 8";
			break;
		case 51:
			result = "Java 7";
			break;
		case 50:
			result = "Java 6.0";
			break;
		case 49:
			result = "Java 5.0";
			break;
		case 48:
			result = "Java 1.4";
			break;
		case 47:
			result = "Java 1.3";
			break;
		case 46:
			result = "Java 1.2";
			break;
		case 45:
			result = "Java 1.1";
			break;
		default:
			result = "Unknown";
			break;
		}

		return result;
	}

	public void setMinorVersion(int minorVersion)
	{
		this.minorVersion = minorVersion;
	}

	@Override
	public String toString()
	{
		StringBuilder builder = new StringBuilder();

		builder.append(S_BYTECODE_MAJOR_VERSION).append(majorVersion).append(C_NEWLINE);
		builder.append(S_BYTECODE_MINOR_VERSION).append(minorVersion).append(C_NEWLINE);

		for (MemberBytecode item : memberBytecodeList)
		{
			builder.append("member: ").append(item).append(C_NEWLINE);
		}

		return builder.toString();
	}
}